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Diffstat (limited to 'kalarm/lib/radiobutton.h')
| -rw-r--r-- | kalarm/lib/radiobutton.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/kalarm/lib/radiobutton.h b/kalarm/lib/radiobutton.h new file mode 100644 index 000000000..96bca04dd --- /dev/null +++ b/kalarm/lib/radiobutton.h @@ -0,0 +1,88 @@ +/* + * radiobutton.h - radio button with focus widget and read-only options + * Program: kalarm + * Copyright © 2002,2003,2005,2006 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. + */ + +#ifndef RADIOBUTTON_H +#define RADIOBUTTON_H + +#include <qradiobutton.h> + + +/** + * @short A QRadioButton with focus widget and read-only options. + * + * The RadioButton class is a QRadioButton with the ability to transfer focus to + * another widget when checked, and with a read-only option. + * + * Another widget may be specified as the focus widget for the radio button. Whenever + * the user clicks on the radio button so as to set its state to checked, focus is + * automatically transferred to the focus widget. + * + * The widget may be set as read-only. This has the same effect as disabling it, except + * that its appearance is unchanged. + * + * @author David Jarvie <software@astrojar.org.uk> + */ +class RadioButton : public QRadioButton +{ + Q_OBJECT + public: + /** Constructor. + * @param parent The parent object of this widget. + * @param name The name of this widget. + */ + explicit RadioButton(QWidget* parent, const char* name = 0); + /** Constructor. + * @param text Text to display. + * @param parent The parent object of this widget. + * @param name The name of this widget. + */ + RadioButton(const QString& text, QWidget* parent, const char* name = 0); + /** Returns true if the widget is read only. */ + bool isReadOnly() const { return mReadOnly; } + /** Sets whether the radio button is read-only for the user. If read-only, + * its state cannot be changed by the user. + * @param readOnly True to set the widget read-only, false to set it read-write. + */ + virtual void setReadOnly(bool readOnly); + /** Returns the widget which receives focus when the button is clicked. */ + QWidget* focusWidget() const { return mFocusWidget; } + /** Specifies a widget to receive focus when the button is clicked. + * @param widget Widget to receive focus. + * @param enable If true, @p widget will be enabled before receiving focus. If + * false, the enabled state of @p widget will be left unchanged when + * the radio button is clicked. + */ + void setFocusWidget(QWidget* widget, bool enable = true); + protected: + virtual void mousePressEvent(QMouseEvent*); + virtual void mouseReleaseEvent(QMouseEvent*); + virtual void mouseMoveEvent(QMouseEvent*); + virtual void keyPressEvent(QKeyEvent*); + virtual void keyReleaseEvent(QKeyEvent*); + protected slots: + void slotClicked(); + private: + QWidget::FocusPolicy mFocusPolicy; // default focus policy for the QRadioButton + QWidget* mFocusWidget; // widget to receive focus when button is clicked on + bool mFocusWidgetEnable; // enable focus widget before setting focus + bool mReadOnly; // value cannot be changed +}; + +#endif // RADIOBUTTON_H |