478 lines
12 KiB
C
478 lines
12 KiB
C
/*
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* ReactOS Task Manager
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*
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* graph.c
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*
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* Copyright (C) 1999 - 2001 Brian Palmer <brianp@reactos.org>
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* Copyright (C) 2008 Vladimir Pankratov
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <windows.h>
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#include <commctrl.h>
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#include <shlwapi.h>
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#include <winnt.h>
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#include "taskmgr.h"
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#include "perfdata.h"
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#define BRIGHT_GREEN RGB(0, 255, 0)
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#define DARK_GREEN RGB(0, 130, 0)
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#define RED RGB(255, 0, 0)
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WNDPROC OldGraphWndProc;
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static void Graph_DrawCpuUsageGraph(HDC hDC, HWND hWnd)
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{
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RECT rcClient;
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RECT rcBarLeft;
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RECT rcBarRight;
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RECT rcText;
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WCHAR Text[256];
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ULONG CpuUsage;
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ULONG CpuKernelUsage;
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int nBars;
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int nBarsUsed;
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/* Bottom bars that are "used", i.e. are bright green, representing used cpu time */
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int nBarsUsedKernel;
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/* Bottom bars that are "used", i.e. are bright green, representing used cpu kernel time */
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int nBarsFree;
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/* Top bars that are "unused", i.e. are dark green, representing free cpu time */
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int i;
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static const WCHAR wszFormatI[] = {'%','d','%','%',0};
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static const WCHAR wszFormatII[] = {' ',' ','%','d','%','%',0};
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static const WCHAR wszFormatIII[] = {' ','%','d','%','%',0};
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/*
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* Get the client area rectangle
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*/
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GetClientRect(hWnd, &rcClient);
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/*
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* Fill it with blackness
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*/
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FillSolidRect(hDC, &rcClient, RGB(0, 0, 0));
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/*
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* Get the CPU usage
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*/
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CpuUsage = PerfDataGetProcessorUsage();
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CpuKernelUsage = PerfDataGetProcessorSystemUsage();
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/*
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* Check and see how many digits it will take
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* so we get the indentation right every time.
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*/
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if (CpuUsage == 100)
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{
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swprintf(Text, ARRAY_SIZE(Text), wszFormatI, (int)CpuUsage);
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}
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else if (CpuUsage < 10)
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{
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swprintf(Text, ARRAY_SIZE(Text), wszFormatII, (int)CpuUsage);
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}
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else
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{
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swprintf(Text, ARRAY_SIZE(Text), wszFormatIII, (int)CpuUsage);
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}
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/*
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* Draw the font text onto the graph
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* The bottom 20 pixels are reserved for the text
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*/
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CopyRect(&rcText, &rcClient);
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rcText.top = rcText.bottom - 19;
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SetTextColor(hDC, BRIGHT_GREEN);
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DrawTextW(hDC, Text, -1, &rcText, DT_CENTER);
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/*
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* Now we have to draw the graph
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* So first find out how many bars we can fit
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*/
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nBars = ((rcClient.bottom - rcClient.top) - 25) / 3;
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nBarsUsed = (nBars * CpuUsage) / 100;
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if ((CpuUsage) && (nBarsUsed == 0))
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{
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nBarsUsed = 1;
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}
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nBarsFree = nBars - nBarsUsed;
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if (TaskManagerSettings.ShowKernelTimes)
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{
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nBarsUsedKernel = ((nBars * 2) * CpuKernelUsage) / 100;
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nBarsUsed -= (nBarsUsedKernel / 2);
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}
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else
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{
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nBarsUsedKernel = 0;
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}
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/*
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* Now draw the bar graph
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*/
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rcBarLeft.left = ((rcClient.right - rcClient.left) - 33) / 2;
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rcBarLeft.right = rcBarLeft.left + 16;
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rcBarRight.left = rcBarLeft.left + 17;
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rcBarRight.right = rcBarLeft.right + 17;
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rcBarLeft.top = rcBarRight.top = 5;
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rcBarLeft.bottom = rcBarRight.bottom = 7;
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if (nBarsUsed < 0) nBarsUsed = 0;
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if (nBarsUsed > nBars) nBarsUsed = nBars;
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if (nBarsFree < 0) nBarsFree = 0;
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if (nBarsFree > nBars) nBarsFree = nBars;
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if (nBarsUsedKernel < 0) nBarsUsedKernel = 0;
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if (nBarsUsedKernel > nBars) nBarsUsedKernel = nBars;
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/*
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* Draw the "free" bars
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*/
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for (i=0; i<nBarsFree; i++)
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{
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FillSolidRect(hDC, &rcBarLeft, DARK_GREEN);
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FillSolidRect(hDC, &rcBarRight, DARK_GREEN);
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rcBarLeft.top += 3;
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rcBarLeft.bottom += 3;
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rcBarRight.top += 3;
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rcBarRight.bottom += 3;
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}
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/*
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* Draw the "used" bars
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*/
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for (i=0; i<nBarsUsed; i++)
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{
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if (nBarsUsed > 5000) nBarsUsed = 5000;
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FillSolidRect(hDC, &rcBarLeft, BRIGHT_GREEN);
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FillSolidRect(hDC, &rcBarRight, BRIGHT_GREEN);
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rcBarLeft.top += 3;
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rcBarLeft.bottom += 3;
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rcBarRight.top += 3;
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rcBarRight.bottom += 3;
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}
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/*
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* Draw the "used" kernel bars
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*/
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rcBarLeft.bottom--;
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rcBarRight.bottom--;
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if (nBarsUsedKernel && nBarsUsedKernel % 2)
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{
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rcBarLeft.top -= 2;
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rcBarLeft.bottom -= 2;
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rcBarRight.top -= 2;
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rcBarRight.bottom -= 2;
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FillSolidRect(hDC, &rcBarLeft, RED);
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FillSolidRect(hDC, &rcBarRight, RED);
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rcBarLeft.top += 2;
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rcBarLeft.bottom += 2;
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rcBarRight.top += 2;
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rcBarRight.bottom += 2;
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nBarsUsedKernel--;
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}
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for (i=0; i<nBarsUsedKernel; i++)
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{
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if (nBarsUsedKernel > 5000) nBarsUsedKernel = 5000;
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FillSolidRect(hDC, &rcBarLeft, RED);
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FillSolidRect(hDC, &rcBarRight, RED);
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rcBarLeft.top++;
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rcBarLeft.bottom++;
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rcBarRight.top++;
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rcBarRight.bottom++;
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if (i % 2)
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{
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rcBarLeft.top++;
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rcBarLeft.bottom++;
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rcBarRight.top++;
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rcBarRight.bottom++;
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}
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}
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}
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static void Graph_DrawMemUsageGraph(HDC hDC, HWND hWnd)
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{
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RECT rcClient;
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RECT rcBarLeft;
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RECT rcBarRight;
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RECT rcText;
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WCHAR Text[256];
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ULONGLONG CommitChargeTotal;
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ULONGLONG CommitChargeLimit;
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int nBars;
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int nBarsUsed = 0;
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/* Bottom bars that are "used", i.e. are bright green, representing used memory */
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int nBarsFree;
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/* Top bars that are "unused", i.e. are dark green, representing free memory */
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int i;
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/*
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* Get the client area rectangle
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*/
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GetClientRect(hWnd, &rcClient);
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/*
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* Fill it with blackness
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*/
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FillSolidRect(hDC, &rcClient, RGB(0, 0, 0));
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/*
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* Get the memory usage
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*/
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CommitChargeTotal = (ULONGLONG)PerfDataGetCommitChargeTotalK();
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CommitChargeLimit = (ULONGLONG)PerfDataGetCommitChargeLimitK();
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if (CommitChargeTotal < 1024)
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StrFormatKBSizeW(CommitChargeTotal, Text, ARRAY_SIZE(Text));
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else
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StrFormatByteSizeW(CommitChargeTotal, Text, ARRAY_SIZE(Text));
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/*
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* Draw the font text onto the graph
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* The bottom 20 pixels are reserved for the text
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*/
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CopyRect(&rcText, &rcClient);
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rcText.top = rcText.bottom - 19;
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SetTextColor(hDC, BRIGHT_GREEN);
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DrawTextW(hDC, Text, -1, &rcText, DT_CENTER);
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/*
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* Now we have to draw the graph
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* So first find out how many bars we can fit
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*/
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nBars = ((rcClient.bottom - rcClient.top) - 25) / 3;
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if (CommitChargeLimit)
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nBarsUsed = (nBars * (int)((CommitChargeTotal * 100) / CommitChargeLimit)) / 100;
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nBarsFree = nBars - nBarsUsed;
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if (nBarsUsed < 0) nBarsUsed = 0;
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if (nBarsUsed > nBars) nBarsUsed = nBars;
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if (nBarsFree < 0) nBarsFree = 0;
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if (nBarsFree > nBars) nBarsFree = nBars;
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/*
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* Now draw the bar graph
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*/
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rcBarLeft.left = ((rcClient.right - rcClient.left) - 33) / 2;
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rcBarLeft.right = rcBarLeft.left + 16;
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rcBarRight.left = rcBarLeft.left + 17;
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rcBarRight.right = rcBarLeft.right + 17;
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rcBarLeft.top = rcBarRight.top = 5;
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rcBarLeft.bottom = rcBarRight.bottom = 7;
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/*
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* Draw the "free" bars
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*/
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for (i=0; i<nBarsFree; i++)
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{
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FillSolidRect(hDC, &rcBarLeft, DARK_GREEN);
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FillSolidRect(hDC, &rcBarRight, DARK_GREEN);
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rcBarLeft.top += 3;
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rcBarLeft.bottom += 3;
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rcBarRight.top += 3;
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rcBarRight.bottom += 3;
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}
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/*
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* Draw the "used" bars
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*/
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for (i=0; i<nBarsUsed; i++)
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{
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FillSolidRect(hDC, &rcBarLeft, BRIGHT_GREEN);
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FillSolidRect(hDC, &rcBarRight, BRIGHT_GREEN);
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rcBarLeft.top += 3;
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rcBarLeft.bottom += 3;
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rcBarRight.top += 3;
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rcBarRight.bottom += 3;
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}
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}
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static void Graph_DrawMemUsageHistoryGraph(HDC hDC, HWND hWnd)
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{
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RECT rcClient;
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int i;
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static int offset = 0;
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if (offset++ >= 10)
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offset = 0;
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/*
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* Get the client area rectangle
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*/
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GetClientRect(hWnd, &rcClient);
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/*
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* Fill it with blackness
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*/
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FillSolidRect(hDC, &rcClient, RGB(0, 0, 0));
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/*
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* Draw the graph background
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*
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* Draw the horizontal bars
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*/
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for (i=0; i<rcClient.bottom; i++)
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{
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if ((i % 11) == 0)
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{
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/* FillSolidRect2(hDC, 0, i, rcClient.right, 1, DARK_GREEN); */
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}
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}
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/*
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* Draw the vertical bars
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*/
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for (i=11; i<rcClient.right + offset; i++)
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{
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if ((i % 11) == 0)
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{
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/* FillSolidRect2(hDC, i - offset, 0, 1, rcClient.bottom, DARK_GREEN); */
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}
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}
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/*
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* Draw the memory usage
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*/
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for (i=rcClient.right; i>=0; i--)
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{
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}
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}
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INT_PTR CALLBACK
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Graph_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
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{
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HDC hdc;
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PAINTSTRUCT ps;
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LONG WindowId;
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switch (message)
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{
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case WM_ERASEBKGND:
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return TRUE;
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/*
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* Filter out mouse & keyboard messages
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*/
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/* case WM_APPCOMMAND: */
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case WM_CAPTURECHANGED:
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case WM_LBUTTONDBLCLK:
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case WM_LBUTTONDOWN:
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case WM_LBUTTONUP:
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case WM_MBUTTONDBLCLK:
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case WM_MBUTTONDOWN:
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case WM_MBUTTONUP:
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case WM_MOUSEACTIVATE:
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case WM_MOUSEHOVER:
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case WM_MOUSELEAVE:
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case WM_MOUSEMOVE:
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/* case WM_MOUSEWHEEL: */
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case WM_NCHITTEST:
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case WM_NCLBUTTONDBLCLK:
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case WM_NCLBUTTONDOWN:
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case WM_NCLBUTTONUP:
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case WM_NCMBUTTONDBLCLK:
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case WM_NCMBUTTONDOWN:
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case WM_NCMBUTTONUP:
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/* case WM_NCMOUSEHOVER: */
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/* case WM_NCMOUSELEAVE: */
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case WM_NCMOUSEMOVE:
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case WM_NCRBUTTONDBLCLK:
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case WM_NCRBUTTONDOWN:
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case WM_NCRBUTTONUP:
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/* case WM_NCXBUTTONDBLCLK: */
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/* case WM_NCXBUTTONDOWN: */
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/* case WM_NCXBUTTONUP: */
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case WM_RBUTTONDBLCLK:
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case WM_RBUTTONDOWN:
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case WM_RBUTTONUP:
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/* case WM_XBUTTONDBLCLK: */
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/* case WM_XBUTTONDOWN: */
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/* case WM_XBUTTONUP: */
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case WM_ACTIVATE:
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case WM_CHAR:
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case WM_DEADCHAR:
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case WM_GETHOTKEY:
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case WM_HOTKEY:
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case WM_KEYDOWN:
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case WM_KEYUP:
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case WM_KILLFOCUS:
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case WM_SETFOCUS:
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case WM_SETHOTKEY:
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case WM_SYSCHAR:
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case WM_SYSDEADCHAR:
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case WM_SYSKEYDOWN:
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case WM_SYSKEYUP:
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case WM_NCCALCSIZE:
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return 0;
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case WM_PAINT:
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hdc = BeginPaint(hWnd, &ps);
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WindowId = GetWindowLongPtrW(hWnd, GWLP_ID);
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switch (WindowId)
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{
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case IDC_CPU_USAGE_GRAPH:
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Graph_DrawCpuUsageGraph(hdc, hWnd);
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break;
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case IDC_MEM_USAGE_GRAPH:
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Graph_DrawMemUsageGraph(hdc, hWnd);
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break;
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case IDC_MEM_USAGE_HISTORY_GRAPH:
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Graph_DrawMemUsageHistoryGraph(hdc, hWnd);
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break;
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}
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EndPaint(hWnd, &ps);
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return 0;
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}
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/*
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* We pass on all non-handled messages
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*/
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return CallWindowProcW(OldGraphWndProc, hWnd, message, wParam, lParam);
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}
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