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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit460c52653ab0dcca6f19a4f492ed2c5e4e963ab0 (patch)
tree67208f7c145782a7e90b123b982ca78d88cc2c87 /kalarm/lib/radiobutton.cpp
downloadtdepim-460c52653ab0dcca6f19a4f492ed2c5e4e963ab0.tar.gz
tdepim-460c52653ab0dcca6f19a4f492ed2c5e4e963ab0.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'kalarm/lib/radiobutton.cpp')
-rw-r--r--kalarm/lib/radiobutton.cpp134
1 files changed, 134 insertions, 0 deletions
diff --git a/kalarm/lib/radiobutton.cpp b/kalarm/lib/radiobutton.cpp
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+/*
+ * 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(QWidget* parent, const char* name)
+ : QRadioButton(parent, name),
+ mFocusPolicy(focusPolicy()),
+ mFocusWidget(0),
+ mReadOnly(false)
+{ }
+
+RadioButton::RadioButton(const QString& text, QWidget* parent, const char* name)
+ : QRadioButton(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 ? QWidget::NoFocus : mFocusPolicy);
+ if (ro)
+ clearFocus();
+ }
+}
+
+/******************************************************************************
+* Specify a widget to receive focus when the button is clicked on.
+*/
+void RadioButton::setFocusWidget(QWidget* w, bool enable)
+{
+ mFocusWidget = w;
+ mFocusWidgetEnable = enable;
+ if (w)
+ connect(this, SIGNAL(clicked()), SLOT(slotClicked()));
+ else
+ disconnect(this, SIGNAL(clicked()), this, 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(QMouseEvent* e)
+{
+ if (mReadOnly)
+ {
+ // Swallow up the event if it's the left button
+ if (e->button() == Qt::LeftButton)
+ return;
+ }
+ QRadioButton::mousePressEvent(e);
+}
+
+void RadioButton::mouseReleaseEvent(QMouseEvent* e)
+{
+ if (mReadOnly)
+ {
+ // Swallow up the event if it's the left button
+ if (e->button() == Qt::LeftButton)
+ return;
+ }
+ QRadioButton::mouseReleaseEvent(e);
+}
+
+void RadioButton::mouseMoveEvent(QMouseEvent* e)
+{
+ if (!mReadOnly)
+ QRadioButton::mouseMoveEvent(e);
+}
+
+void RadioButton::keyPressEvent(QKeyEvent* e)
+{
+ if (mReadOnly)
+ switch (e->key())
+ {
+ case Qt::Key_Up:
+ case Qt::Key_Left:
+ case Qt::Key_Right:
+ case Qt::Key_Down:
+ // Process keys which shift the focus
+ case Qt::Key_Escape:
+ break;
+ default:
+ return;
+ }
+ QRadioButton::keyPressEvent(e);
+}
+
+void RadioButton::keyReleaseEvent(QKeyEvent* e)
+{
+ if (!mReadOnly)
+ QRadioButton::keyReleaseEvent(e);
+}