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author | Slávek Banko <slavek.banko@axis.cz> | 2013-10-07 23:28:24 +0200 |
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committer | Slávek Banko <slavek.banko@axis.cz> | 2013-10-08 05:14:51 +0200 |
commit | 3af5832abe7c802a384cd58d34f7cc4433595ced (patch) | |
tree | cc300d6fae4cb5798f0cf5db3ece63026f34379a /src/progressdlg.cpp | |
download | kscope-3af5832abe7c802a384cd58d34f7cc4433595ced.tar.gz kscope-3af5832abe7c802a384cd58d34f7cc4433595ced.zip |
Initial import of kscope 1.6.2
Diffstat (limited to 'src/progressdlg.cpp')
-rw-r--r-- | src/progressdlg.cpp | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/src/progressdlg.cpp b/src/progressdlg.cpp new file mode 100644 index 0000000..418a3c9 --- /dev/null +++ b/src/progressdlg.cpp @@ -0,0 +1,116 @@ +/*************************************************************************** + * + * 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" |