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https://github.com/Telecominfraproject/wlan-cloud-lib-poco.git
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139 lines
2.8 KiB
C++
139 lines
2.8 KiB
C++
//
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// ProgressBar.cpp
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//
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#include "ProgressBar.h"
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namespace CppUnit {
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// Paint the progress bar in response to a paint message
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void ProgressBar::paint(CDC& dc)
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{
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paintBackground (dc);
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paintStatus (dc);
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}
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// Paint the background of the progress bar region
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void ProgressBar::paintBackground (CDC& dc)
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{
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CBrush brshBackground;
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CPen penGray (PS_SOLID, 1, RGB (128, 128, 128));
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CPen penWhite (PS_SOLID, 1, RGB (255, 255, 255));
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VERIFY (brshBackground.CreateSolidBrush (::GetSysColor (COLOR_BTNFACE)));
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dc.FillRect (_bounds, &brshBackground);
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CPen *pOldPen;
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pOldPen = dc.SelectObject (&penGray);
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{
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dc.MoveTo (_bounds.left, _bounds.top);
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dc.LineTo (_bounds.left + _bounds.Width () -1, _bounds.top);
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dc.MoveTo (_bounds.left, _bounds.top);
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dc.LineTo (_bounds.left, _bounds.top + _bounds.Height () -1);
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}
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dc.SelectObject (&penWhite);
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{
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dc.MoveTo (_bounds.left + _bounds.Width () -1, _bounds.top);
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dc.LineTo (_bounds.left + _bounds.Width () -1, _bounds.top + _bounds.Height () -1);
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dc.MoveTo (_bounds.left, _bounds.top + _bounds.Height () -1);
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dc.LineTo (_bounds.left + _bounds.Width () -1, _bounds.top + _bounds.Height () -1);
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}
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dc.SelectObject (pOldPen);
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}
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// Paint the actual status of the progress bar
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void ProgressBar::paintStatus (CDC& dc)
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{
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if (_progress <= 0)
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return;
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CBrush brshStatus;
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CRect rect (_bounds.left, _bounds.top,
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_bounds.left + _progressX, _bounds.bottom);
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COLORREF statusColor = getStatusColor ();
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VERIFY (brshStatus.CreateSolidBrush (statusColor));
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rect.DeflateRect (1, 1);
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dc.FillRect (rect, &brshStatus);
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}
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// Paint the current step
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void ProgressBar::paintStep (int startX, int endX)
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{
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// kludge: painting the whole region on each step
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_baseWindow->RedrawWindow (_bounds);
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_baseWindow->UpdateWindow ();
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}
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// Setup the progress bar for execution over a total number of steps
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void ProgressBar::start (int total)
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{
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_total = total;
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reset ();
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}
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// Take one step, indicating whether it was a successful step
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void ProgressBar::step (bool successful)
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{
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_progress++;
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int x = _progressX;
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_progressX = scale (_progress);
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if (!_error && !successful)
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{
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_error = true;
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x = 1;
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}
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paintStep (x, _progressX);
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}
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// Map from steps to display units
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int ProgressBar::scale (int value)
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{
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if (_total > 0)
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return max (1, value * (_bounds.Width () - 1) / _total);
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return value;
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}
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// Reset the progress bar
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void ProgressBar::reset ()
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{
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_progressX = 1;
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_progress = 0;
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_error = false;
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_baseWindow->RedrawWindow (_bounds);
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_baseWindow->UpdateWindow ();
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}
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} // namespace CppUnit
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