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/* Copyright (C) 2005 TightVNC Team. All Rights Reserved.
*
* This 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 software 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 software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*
* TightVNC distribution homepage on the Web: http://www.tightvnc.com/
*
*/
// -=- ProgressControl.cxx
#include <rfb_win32/ProgressControl.h>
using namespace rfb;
using namespace rfb::win32;
#define MAX_RANGE 0xFFFF
ProgressControl::ProgressControl(HWND hwndProgress)
{
m_hwndProgress = hwndProgress;
m_dw64MaxValue = 0;
m_dw64CurrentValue = 0;
}
ProgressControl::~ProgressControl()
{
}
bool
ProgressControl::init(DWORD64 maxValue, DWORD64 position)
{
if (m_dw64CurrentValue > m_dw64MaxValue) return false;
m_dw64CurrentValue = position;
m_dw64MaxValue = maxValue;
if (!SendMessage(m_hwndProgress, PBM_SETRANGE, (WPARAM) 0, MAKELPARAM(0, MAX_RANGE)))
return false;
return true;
}
bool
ProgressControl::clear()
{
m_dw64CurrentValue = 0;
return show();
}
bool
ProgressControl::increase(DWORD64 value)
{
if ((m_dw64MaxValue - m_dw64CurrentValue) > value) {
m_dw64CurrentValue += value;
} else {
m_dw64CurrentValue = m_dw64MaxValue;
}
return show();
}
bool
ProgressControl::show()
{
DWORD curPos;
if (m_dw64MaxValue != 0) {
curPos = (DWORD) ((m_dw64CurrentValue * MAX_RANGE) / m_dw64MaxValue);
} else {
curPos = 0;
}
if (!SendMessage(m_hwndProgress, PBM_SETPOS, (WPARAM) curPos, (LPARAM) 0))
return false;
return true;
}
int
ProgressControl::getCurrentPercent()
{
if (m_dw64MaxValue == 0) return 0;
return ((int) ((m_dw64CurrentValue * 100) / m_dw64MaxValue));
}
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