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authorSlávek Banko <slavek.banko@axis.cz>2013-10-07 23:28:24 +0200
committerSlávek Banko <slavek.banko@axis.cz>2013-10-08 05:14:51 +0200
commit3af5832abe7c802a384cd58d34f7cc4433595ced (patch)
treecc300d6fae4cb5798f0cf5db3ece63026f34379a /src/progressdlg.cpp
downloadkscope-3af5832abe7c802a384cd58d34f7cc4433595ced.tar.gz
kscope-3af5832abe7c802a384cd58d34f7cc4433595ced.zip
Initial import of kscope 1.6.2
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+/***************************************************************************
+ *
+ * Copyright (C) 2005 Elad Lahav (elad_lahav@users.sourceforge.net)
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ***************************************************************************/
+
+#include "progressdlg.h"
+
+/**
+ * Class constructor.
+ * @param sCaption The dialogue's title
+ * @param sText The text to display
+ * @param pParent The parent widget
+ * @param szName The widget's name
+ */
+ProgressDlg::ProgressDlg(const QString& sCaption, const QString& sText,
+ QWidget* pParent, const char* szName) :
+ KProgressDialog(pParent, szName, sCaption, sText, true),
+ m_nIdleValue(-1)
+{
+ setAutoClose(false);
+ setAllowCancel(false);
+
+ // Create the idle-progress timer
+ m_pIdleTimer = new QTimer(this);
+
+ // Display a busy indicator by increasing the value of the idle counter
+ connect (m_pIdleTimer, SIGNAL(timeout()), this, SLOT(slotShowBusy()));
+}
+
+/**
+ * Class destructor.
+ */
+ProgressDlg::~ProgressDlg()
+{
+}
+
+/**
+ * Sets a new value to the progress bar.
+ * If the new value is non-zero, the progress bar is advanced. Otherwise, the
+ * idle timer is initiated to display a busy indicator.
+ * @param nValue The new value to set.
+ */
+void ProgressDlg::setValue(int nValue)
+{
+ KProgress* pProgress;
+
+ pProgress = progressBar();
+
+ if (nValue != 0) {
+ // Do nothing if the value hasn't changed
+ if (nValue == pProgress->progress())
+ return;
+
+ // Handle first non-zero value
+ if (m_nIdleValue >= 0) {
+ m_pIdleTimer->stop();
+ m_nIdleValue = -1;
+ pProgress->setPercentageVisible(true);
+ }
+
+ // Set the new value
+ pProgress->setValue(nValue);
+ }
+ else if (m_nIdleValue == -1) {
+ // Handle first 0 value
+ pProgress->setValue(0);
+ pProgress->setPercentageVisible(false);
+ m_nIdleValue = 0;
+ m_pIdleTimer->start(200);
+ }
+}
+
+void ProgressDlg::setIdle()
+{
+ m_nIdleValue = -1;
+ setValue(0);
+}
+
+/**
+ * Increaes the value of the dummy counter by 1.
+ * This slot is called by the timeout() event of the idle timer.
+ */
+void ProgressDlg::slotShowBusy()
+{
+ // Increase the counter
+ m_nIdleValue += 5;
+ if (m_nIdleValue == 100)
+ m_nIdleValue = 0;
+
+ // Set the value of the progress-bar
+ progressBar()->setValue(m_nIdleValue);
+}
+
+#include "progressdlg.moc"