mirror of
https://github.com/reactos/reactos.git
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467 lines
10 KiB
C
467 lines
10 KiB
C
/*
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* ReactOS Task Manager
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*
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* graph.cpp
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*
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* Copyright (C) 1999 - 2001 Brian Palmer <brianp@reactos.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers
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#include <windows.h>
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#include <commctrl.h>
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#include <stdlib.h>
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#include <malloc.h>
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#include <memory.h>
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#include <tchar.h>
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#include <process.h>
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#include <stdio.h>
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#include "taskmgr.h"
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#include "graph.h"
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#include "font.h"
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#include "perfdata.h"
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LONG OldGraphWndProc;
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void Graph_DrawCpuUsageGraph(HDC hDC, HWND hWnd);
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void Graph_DrawMemUsageGraph(HDC hDC, HWND hWnd);
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void Graph_DrawMemUsageHistoryGraph(HDC hDC, HWND hWnd);
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LRESULT CALLBACK 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 = GetWindowLong(hWnd, GWL_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 CallWindowProc((WNDPROC)OldGraphWndProc, hWnd, message, wParam, lParam);
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}
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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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TCHAR Text[260];
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ULONG CpuUsage;
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ULONG CpuKernelUsage;
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int nBars;
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int nBarsUsed; // Bottom bars that are "used", i.e. are bright green, representing used cpu time
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int nBarsUsedKernel; // Bottom bars that are "used", i.e. are bright green, representing used cpu kernel time
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int nBarsFree; // Top bars that are "unused", i.e. are dark green, representing free cpu time
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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 CPU usage
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//
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CpuUsage = PerfDataGetProcessorUsage();
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CpuKernelUsage = PerfDataGetProcessorSystemUsage();
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if (CpuUsage < 0) CpuUsage = 0;
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if (CpuUsage > 100) CpuUsage = 100;
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if (CpuKernelUsage < 0) CpuKernelUsage = 0;
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if (CpuKernelUsage > 100) CpuKernelUsage = 100;
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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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_stprintf(Text, _T("%d%%"), CpuUsage);
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}
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else if (CpuUsage < 10)
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{
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_stprintf(Text, _T(" %d%%"), CpuUsage);
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}
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else
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{
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_stprintf(Text, _T(" %d%%"), 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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Font_DrawText(hDC, Text, ((rcClient.right - rcClient.left) - 32) / 2, rcClient.bottom - 11 - 5);
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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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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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TCHAR Text[260];
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ULONGLONG CommitChargeTotal;
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ULONGLONG CommitChargeLimit;
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int nBars;
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int nBarsUsed; // Bottom bars that are "used", i.e. are bright green, representing used memory
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int nBarsFree; // 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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_stprintf(Text, _T("%dK"), CommitChargeTotal);
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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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Font_DrawText(hDC, Text, ((rcClient.right - rcClient.left) - (_tcslen(Text) * 8)) / 2, rcClient.bottom - 11 - 5);
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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 * (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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void Graph_DrawMemUsageHistoryGraph(HDC hDC, HWND hWnd)
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{
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RECT rcClient;
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ULONGLONG CommitChargeLimit;
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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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// Get the memory usage
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//
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CommitChargeLimit = (ULONGLONG)PerfDataGetCommitChargeLimitK();
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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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