516 lines
13 KiB
C++
516 lines
13 KiB
C++
/*++
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Copyright (C) 1996-1999 Microsoft Corporation
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Module Name:
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timerng.cpp
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Abstract:
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<abstract>
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--*/
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//==========================================================================//
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// Includes //
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//==========================================================================//
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#include <assert.h>
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#include <windows.h>
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#include "winhelpr.h"
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#include "utils.h"
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#include "timerng.h"
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#include "globals.h"
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#define INTRVBAR_RANGE 1000
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#define MAX_TIME_CHARS 20
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#define MAX_DATE_CHARS 20
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TCHAR szTimeRangeClass[] = TEXT("TimeRange");
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INT
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CTimeRange::MaxTimeWidth (
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HDC hDC
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)
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/*
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Effect: Return a reasonable maximum number of pixels to hold
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expected time and date strings.
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To Do: When we use the alleged local-date and local-time display
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functions, we will modify this routine to use them.
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*/
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{
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return (max (TextWidth (hDC, TEXT(" 99 XXX 99 ")),
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TextWidth (hDC, TEXT(" 99:99:99.9 PM ")))) ;
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}
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void
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CTimeRange::DrawBeginEnd (
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HDC hDC
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)
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{
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TCHAR szDate [MAX_TIME_CHARS] ;
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TCHAR szTime [MAX_DATE_CHARS] ;
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SetTextAlign (hDC, TA_TOP) ;
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SelectFont (hDC, m_hFont) ;
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SetBkColor(hDC, GetSysColor(COLOR_3DFACE));
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SetTextColor(hDC, GetSysColor(COLOR_BTNTEXT));
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// Draw the begin time
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FormatDateTime(m_llBegin, szTime, szDate);
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SetTextAlign (hDC, TA_RIGHT) ;
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TextOut (hDC, m_xBegin, 0, szDate, lstrlen (szDate)) ;
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TextOut (hDC, m_xBegin, m_yFontHeight, szTime, lstrlen (szTime)) ;
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// Draw the end time
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FormatDateTime(m_llEnd, szTime, szDate);
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SetTextAlign (hDC, TA_LEFT) ;
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TextOut (hDC, m_xEnd, 0, szDate, lstrlen (szDate)) ;
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TextOut (hDC, m_xEnd, m_yFontHeight, szTime, lstrlen (szTime)) ;
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}
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void
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CTimeRange::DrawStartStop (
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HDC hDC
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)
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/*
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Effect: Draw the start and stop date/times on the bottom of the
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timeline. Draw the start date/time right justified at the
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outer edge of the start point and the stop date/time left
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justified with the outer edge of the stop point.
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Erase previous start and stop date/times in the process.
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*/
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{
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RECT rectDate ;
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RECT rectTime ;
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RECT rectOpaque ;
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TCHAR szTime [MAX_TIME_CHARS] ;
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TCHAR szDate [MAX_DATE_CHARS] ;
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INT xStart ;
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INT xStop ;
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INT iStart ;
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INT iStop ;
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INT xDateTimeWidth ;
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SelectFont (hDC, m_hFont) ;
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SetTextAlign (hDC, TA_TOP) ;
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SetBkColor(hDC, GetSysColor(COLOR_3DFACE));
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SetTextColor(hDC, GetSysColor(COLOR_BTNTEXT));
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//=============================//
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// Get Start Information //
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//=============================//
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xStart = m_xBegin + m_pIntrvBar->XStart();
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iStart = m_pIntrvBar->Start() ;
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m_llStart = m_llBegin + ((m_llEnd - m_llBegin) * iStart) / INTRVBAR_RANGE;
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FormatDateTime(m_llStart, szTime, szDate);
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xDateTimeWidth = max (TextWidth (hDC, szDate),
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TextWidth (hDC, szTime)) ;
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//=============================//
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// Write Start Date //
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//=============================//
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rectDate.left = xStart - xDateTimeWidth ;
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rectDate.top = m_rectStartDate.top ;
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rectDate.right = xStart ;
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rectDate.bottom = m_rectStartDate.bottom ;
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SetTextAlign (hDC, TA_RIGHT) ;
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UnionRect (&rectOpaque, &m_rectStartDate, &rectDate) ;
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ExtTextOut (hDC,
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rectDate.right, rectDate.top,
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ETO_OPAQUE,
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&rectOpaque,
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szDate, lstrlen (szDate),
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NULL) ;
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m_rectStartDate = rectDate ;
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//=============================//
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// Write Start Time //
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//=============================//
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rectTime.left = rectDate.left ;
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rectTime.top = m_rectStartTime.top ;
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rectTime.right = rectDate.right ;
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rectTime.bottom = m_rectStartTime.bottom ;
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UnionRect (&rectOpaque, &m_rectStartTime, &rectTime) ;
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ExtTextOut (hDC,
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rectTime.right, rectTime.top,
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ETO_OPAQUE,
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&rectOpaque,
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szTime, lstrlen (szTime),
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NULL) ;
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m_rectStartTime = rectTime ;
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//=============================//
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// Get Stop Information //
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//=============================//
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xStop = m_xBegin + m_pIntrvBar->XStop() ;
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iStop = m_pIntrvBar->Stop () ;
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m_llStop = m_llBegin + ((m_llEnd - m_llBegin) * iStop) / INTRVBAR_RANGE;
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FormatDateTime(m_llStop, szTime, szDate);
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xDateTimeWidth = max (TextWidth (hDC, szDate),
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TextWidth (hDC, szTime)) ;
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//=============================//
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// Write Stop Date //
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//=============================//
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rectDate.left = xStop ;
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rectDate.top = m_rectStopDate.top ;
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rectDate.right = xStop + xDateTimeWidth ;
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rectDate.bottom = m_rectStopDate.bottom ;
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SetTextAlign (hDC, TA_LEFT) ;
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UnionRect (&rectOpaque, &m_rectStopDate, &rectDate) ;
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ExtTextOut (hDC,
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rectDate.left, rectDate.top,
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ETO_OPAQUE,
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&rectOpaque,
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szDate, lstrlen (szDate),
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NULL) ;
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m_rectStopDate = rectDate ;
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//=============================//
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// Write Stop Time //
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//=============================//
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rectTime.left = rectDate.left ;
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rectTime.top = m_rectStopTime.top ;
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rectTime.right = rectDate.right ;
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rectTime.bottom = m_rectStopTime.bottom ;
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UnionRect (&rectOpaque, &m_rectStopTime, &rectTime) ;
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ExtTextOut (hDC,
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rectTime.left, rectTime.top,
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ETO_OPAQUE,
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&rectOpaque,
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szTime, lstrlen (szTime),
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NULL) ;
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m_rectStopTime = rectTime ;
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}
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//==========================================================================//
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// Message Handlers //
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//==========================================================================//
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CTimeRange::CTimeRange (
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HWND hWnd )
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{
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HDC hDC ;
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// Caller checks for NULL hwnd before calling this procedure
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assert ( NULL != hWnd );
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m_hWnd = hWnd ;
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SetWindowLongPtr(hWnd, 0, (INT_PTR)this);
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m_hFont = (HFONT)GetStockObject(DEFAULT_GUI_FONT) ;
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hDC = GetDC (hWnd) ;
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if (hDC) {
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if ( NULL != m_hFont ) {
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SelectFont (hDC, m_hFont) ;
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}
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m_yFontHeight = FontHeight (hDC, TRUE) ;
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m_xMaxTimeWidth = MaxTimeWidth (hDC) ;
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ReleaseDC (hWnd, hDC) ;
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} else {
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m_yFontHeight = 0;
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m_xMaxTimeWidth = 0;
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}
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m_pIntrvBar = NULL;
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}
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CTimeRange::~CTimeRange (
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void
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)
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{
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if (m_pIntrvBar != NULL) {
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delete m_pIntrvBar;
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m_pIntrvBar = NULL;
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}
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}
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BOOL
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CTimeRange::Init(
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void
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)
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{
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RECT rc;
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m_pIntrvBar = new CIntervalBar();
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if (m_pIntrvBar != NULL) {
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if (m_pIntrvBar->Init(m_hWnd)) {
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// Size now because we didn't exist when the window
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// got the initial WM_SIZE message
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GetWindowRect(m_hWnd, &rc);
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OnSize(rc.right - rc.left, rc.bottom - rc.top);
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m_pIntrvBar->SetRange(0, INTRVBAR_RANGE);
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}
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else {
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delete m_pIntrvBar;
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m_pIntrvBar = NULL;
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}
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}
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return ( NULL != m_pIntrvBar );
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}
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void
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CTimeRange::OnSize (
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INT xWidth,
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INT yHeight
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)
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/*
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Effect: Perform all actions needed when the size of the timeline
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hWnd has changed. In particular, determine the appropriate
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size for the ILine window and set the rectangles for the
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top and bottom displays.
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*/
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{
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INT yLine ;
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INT yDate, yTime ;
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INT xEnd ;
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xEnd = xWidth - m_xMaxTimeWidth ;
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yLine = m_yFontHeight ;
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yDate = yHeight - 2 * yLine ;
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yTime = yHeight - yLine ;
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SetRect (&m_rectStartDate, 0, yDate, 0, yDate + yLine) ;
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SetRect (&m_rectStartTime, 0, yTime, 0, yTime + yLine) ;
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SetRect (&m_rectStopDate, xEnd, yDate, xEnd, yDate + yLine) ;
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SetRect (&m_rectStopTime, xEnd, yTime, xEnd, yTime + yLine) ;
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MoveWindow (m_pIntrvBar->Window(),
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m_xMaxTimeWidth, 2 * m_yFontHeight,
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xWidth - 2 * m_xMaxTimeWidth,
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yHeight - 4 * m_yFontHeight,
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FALSE) ;
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m_xBegin = m_xMaxTimeWidth ;
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m_xEnd = xWidth - m_xMaxTimeWidth ;
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}
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//==========================================================================//
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// Exported Functions //
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//==========================================================================//
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LRESULT APIENTRY TimeRangeWndProc (
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HWND hWnd,
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UINT uiMsg,
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WPARAM wParam,
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LPARAM lParam
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)
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/*
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Note: This function must be declared in the application's
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linker-definition file, perfmon.def file.
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*/
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{
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BOOL bCallDefWindowProc ;
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LRESULT lrsltReturnValue ;
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PCTimeRange pTimeRange = (PCTimeRange) GetWindowLongPtr(hWnd, 0);;
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bCallDefWindowProc = FALSE ;
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lrsltReturnValue = 0L ;
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if (pTimeRange) {
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switch ( uiMsg ) {
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case WM_SETFOCUS:
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return 0 ;
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case WM_KILLFOCUS:
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return 0 ;
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case WM_ENABLE:
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WindowInvalidate(hWnd);
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EnableWindow(pTimeRange->m_pIntrvBar->Window(), (BOOL)wParam);
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break;
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case WM_COMMAND:
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{
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HDC hDC;
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hDC = GetDC (hWnd) ;
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if (hDC) {
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pTimeRange->DrawStartStop (hDC) ;
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ReleaseDC (hWnd, hDC) ;
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}
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SendMessage(
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WindowParent(hWnd),
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WM_COMMAND, (WPARAM)WindowID(hWnd), (LPARAM)hWnd);
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}
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break ;
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case WM_PAINT:
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{
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HDC hDC ;
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PAINTSTRUCT ps ;
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hDC = BeginPaint (hWnd, &ps) ;
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if (hDC) {
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if (IsWindowEnabled(hWnd)) {
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pTimeRange->DrawBeginEnd (hDC) ;
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pTimeRange->DrawStartStop (hDC) ;
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}
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EndPaint (hWnd, &ps) ;
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}
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}
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break ;
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case WM_SIZE:
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pTimeRange->OnSize (LOWORD (lParam), HIWORD (lParam)) ;
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break ;
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default:
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bCallDefWindowProc = TRUE ;
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}
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}
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else {
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bCallDefWindowProc = TRUE;
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}
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if (bCallDefWindowProc)
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lrsltReturnValue = DefWindowProc (hWnd, uiMsg, wParam, lParam) ;
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return (lrsltReturnValue) ;
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}
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BOOL RegisterTimeRangeClass (
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void
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)
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{
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#define dwTimeRangeClassStyle (CS_HREDRAW | CS_VREDRAW)
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BEGIN_CRITICAL_SECTION
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// Register window class once
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if (pstrRegisteredClasses[TIMERANGE_WNDCLASS] == NULL) {
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WNDCLASS wc ;
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wc.style = dwTimeRangeClassStyle ;
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wc.lpfnWndProc = (WNDPROC)TimeRangeWndProc ;
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wc.cbClsExtra = 0 ;
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wc.cbWndExtra = sizeof(PCTimeRange);
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wc.hInstance = g_hInstance ;
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wc.hIcon = NULL ;
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wc.hCursor = LoadCursor (NULL, IDC_ARROW) ;
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wc.hbrBackground = (HBRUSH) (COLOR_3DFACE + 1) ;
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wc.lpszMenuName = NULL ;
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wc.lpszClassName = szTimeRangeClass ;
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if (RegisterClass (&wc)) {
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pstrRegisteredClasses[TIMERANGE_WNDCLASS] = szTimeRangeClass;
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}
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}
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END_CRITICAL_SECTION
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return (pstrRegisteredClasses[LEGEND_WNDCLASS] != NULL);
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}
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void
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CTimeRange::SetBeginEnd (
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LONGLONG llBegin,
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LONGLONG llEnd
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)
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{
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HDC hDC;
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m_llBegin = llBegin;
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m_llEnd = llEnd;
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hDC = GetDC (m_hWnd) ;
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if (hDC) {
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DrawBeginEnd (hDC) ;
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ReleaseDC (m_hWnd, hDC) ;
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}
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}
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void
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CTimeRange::SetStartStop (
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LONGLONG llStart,
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LONGLONG llStop
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)
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{
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INT iStart;
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INT iStop;
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HDC hDC;
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LONGLONG llBeginToEnd;
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if (llStart < m_llBegin)
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llStart = m_llBegin;
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if (llStop > m_llEnd)
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llStop = m_llEnd;
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m_llStart = llStart;
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m_llStop = llStop;
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llBeginToEnd = m_llEnd - m_llBegin;
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if ( 0 != llBeginToEnd ) {
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iStart = (INT)(((llStart - m_llBegin) * INTRVBAR_RANGE) / llBeginToEnd);
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iStop = (INT)(((llStop - m_llBegin) * INTRVBAR_RANGE) / llBeginToEnd);
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} else {
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iStart = 0;
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iStop = 0;
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}
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m_pIntrvBar->SetStart(iStart);
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m_pIntrvBar->SetStop(iStop);
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hDC = GetDC (m_hWnd) ;
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if (hDC) {
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DrawStartStop (hDC) ;
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ReleaseDC (m_hWnd, hDC) ;
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}
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}
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