Reverse the order for deleting the items in resetcontent to correctly
[wine] / programs / taskmgr / perfpage.c
1 /*
2  *  ReactOS Task Manager
3  *
4  *  perfpage.c
5  *
6  *  Copyright (C) 1999 - 2001  Brian Palmer  <brianp@reactos.org>
7  *
8  * This library is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * This library is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with this library; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
21  */
22         
23 #define WIN32_LEAN_AND_MEAN             /*  Exclude rarely-used stuff from Windows headers */
24 #include <windows.h>
25 #include <commctrl.h>
26 #include <stdlib.h>
27 #include <malloc.h>
28 #include <memory.h>
29 #include <tchar.h>
30 #include <stdio.h>
31 #include <winnt.h>
32
33 #include "taskmgr.h"
34 #include "perfdata.h"
35 #include "graphctl.h"
36
37 TGraphCtrl PerformancePageCpuUsageHistoryGraph;
38 TGraphCtrl PerformancePageMemUsageHistoryGraph;
39
40 HWND            hPerformancePage;                                       /*  Performance Property Page */
41 HWND            hPerformancePageCpuUsageGraph;                          /*  CPU Usage Graph */
42 HWND            hPerformancePageMemUsageGraph;                          /*  MEM Usage Graph */
43 HWND            hPerformancePageCpuUsageHistoryGraph;                   /*  CPU Usage History Graph */
44 HWND            hPerformancePageMemUsageHistoryGraph;                   /*  Memory Usage History Graph */
45 HWND            hPerformancePageTotalsFrame;                            /*  Totals Frame */
46 HWND            hPerformancePageCommitChargeFrame;                      /*  Commit Charge Frame */
47 HWND            hPerformancePageKernelMemoryFrame;                      /*  Kernel Memory Frame */
48 HWND            hPerformancePagePhysicalMemoryFrame;                    /*  Physical Memory Frame */
49 HWND            hPerformancePageCpuUsageFrame;
50 HWND            hPerformancePageMemUsageFrame;
51 HWND            hPerformancePageCpuUsageHistoryFrame;
52 HWND            hPerformancePageMemUsageHistoryFrame;
53 HWND            hPerformancePageCommitChargeTotalEdit;                  /*  Commit Charge Total Edit Control */
54 HWND            hPerformancePageCommitChargeLimitEdit;                  /*  Commit Charge Limit Edit Control */
55 HWND            hPerformancePageCommitChargePeakEdit;                   /*  Commit Charge Peak Edit Control */
56 HWND            hPerformancePageKernelMemoryTotalEdit;                  /*  Kernel Memory Total Edit Control */
57 HWND            hPerformancePageKernelMemoryPagedEdit;                  /*  Kernel Memory Paged Edit Control */
58 HWND            hPerformancePageKernelMemoryNonPagedEdit;               /*  Kernel Memory NonPaged Edit Control */
59 HWND            hPerformancePagePhysicalMemoryTotalEdit;                /*  Physical Memory Total Edit Control */
60 HWND            hPerformancePagePhysicalMemoryAvailableEdit;    /*  Physical Memory Available Edit Control */
61 HWND            hPerformancePagePhysicalMemorySystemCacheEdit;  /*  Physical Memory System Cache Edit Control */
62 HWND            hPerformancePageTotalsHandleCountEdit;                  /*  Total Handles Edit Control */
63 HWND            hPerformancePageTotalsProcessCountEdit;                 /*  Total Processes Edit Control */
64 HWND            hPerformancePageTotalsThreadCountEdit;                  /*  Total Threads Edit Control */
65
66
67 static int      nPerformancePageWidth;
68 static int      nPerformancePageHeight;
69 static HANDLE   hPerformancePageEvent = NULL;   /*  When this event becomes signaled then we refresh the performance page */
70 DWORD WINAPI    PerformancePageRefreshThread(void *lpParameter);
71
72 void AdjustFrameSize(HWND hCntrl, HWND hDlg, int nXDifference, int nYDifference, int pos)
73 {
74     RECT        rc;
75     int         cx, cy, sx, sy;
76
77     GetClientRect(hCntrl, &rc);
78     MapWindowPoints(hCntrl, hDlg, (LPPOINT)(&rc), (sizeof(RECT)/sizeof(POINT)));
79     if (pos) {
80         cx = rc.left;
81         cy = rc.top;
82         sx = rc.right - rc.left;
83         switch (pos) {
84         case 1:
85             break;
86         case 2:
87             cy += nYDifference / 2;
88             break;
89         case 3:
90             sx += nXDifference;
91             break;
92         case 4:
93             cy += nYDifference / 2;
94             sx += nXDifference;
95             break;
96         }
97         sy = rc.bottom - rc.top + nYDifference / 2;
98         SetWindowPos(hCntrl, NULL, cx, cy, sx, sy, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOZORDER);
99     } else {
100         cx = rc.left + nXDifference;
101         cy = rc.top + nYDifference;
102         sx = sy = 0;
103         SetWindowPos(hCntrl, NULL, cx, cy, 0, 0, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOSIZE|SWP_NOZORDER);
104     }
105     InvalidateRect(hCntrl, NULL, TRUE);
106 }
107                  
108 void AdjustControlPostion(HWND hCntrl, HWND hDlg, int nXDifference, int nYDifference)
109 {
110     AdjustFrameSize(hCntrl, hDlg, nXDifference, nYDifference, 0);
111 }
112                  
113 void AdjustCntrlPos(int ctrl_id, HWND hDlg, int nXDifference, int nYDifference)
114 {
115     AdjustFrameSize(GetDlgItem(hDlg, ctrl_id), hDlg, nXDifference, nYDifference, 0);
116 }
117                  
118 LRESULT CALLBACK PerformancePageWndProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
119 {
120         RECT    rc;
121         int             nXDifference;
122         int             nYDifference;
123
124 /*     HDC hdc; */
125 /*     PAINTSTRUCT ps; */
126
127     switch (message) {
128         case WM_INITDIALOG:
129                 
130                 /*  Save the width and height */
131                 GetClientRect(hDlg, &rc);
132                 nPerformancePageWidth = rc.right;
133                 nPerformancePageHeight = rc.bottom;
134
135                 /*  Update window position */
136                 SetWindowPos(hDlg, NULL, 15, 30, 0, 0, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOSIZE|SWP_NOZORDER);
137
138                 /* 
139                  *  Get handles to all the controls
140                  */ 
141                 hPerformancePageTotalsFrame = GetDlgItem(hDlg, IDC_TOTALS_FRAME);
142                 hPerformancePageCommitChargeFrame = GetDlgItem(hDlg, IDC_COMMIT_CHARGE_FRAME);
143                 hPerformancePageKernelMemoryFrame = GetDlgItem(hDlg, IDC_KERNEL_MEMORY_FRAME);
144                 hPerformancePagePhysicalMemoryFrame = GetDlgItem(hDlg, IDC_PHYSICAL_MEMORY_FRAME);
145
146                 hPerformancePageCpuUsageFrame = GetDlgItem(hDlg, IDC_CPU_USAGE_FRAME);
147                 hPerformancePageMemUsageFrame = GetDlgItem(hDlg, IDC_MEM_USAGE_FRAME);
148                 hPerformancePageCpuUsageHistoryFrame = GetDlgItem(hDlg, IDC_CPU_USAGE_HISTORY_FRAME);
149                 hPerformancePageMemUsageHistoryFrame = GetDlgItem(hDlg, IDC_MEMORY_USAGE_HISTORY_FRAME);
150
151                 hPerformancePageCommitChargeTotalEdit = GetDlgItem(hDlg, IDC_COMMIT_CHARGE_TOTAL);
152                 hPerformancePageCommitChargeLimitEdit = GetDlgItem(hDlg, IDC_COMMIT_CHARGE_LIMIT);
153                 hPerformancePageCommitChargePeakEdit = GetDlgItem(hDlg, IDC_COMMIT_CHARGE_PEAK);
154                 hPerformancePageKernelMemoryTotalEdit = GetDlgItem(hDlg, IDC_KERNEL_MEMORY_TOTAL);
155                 hPerformancePageKernelMemoryPagedEdit = GetDlgItem(hDlg, IDC_KERNEL_MEMORY_PAGED);
156                 hPerformancePageKernelMemoryNonPagedEdit = GetDlgItem(hDlg, IDC_KERNEL_MEMORY_NONPAGED);
157                 hPerformancePagePhysicalMemoryTotalEdit = GetDlgItem(hDlg, IDC_PHYSICAL_MEMORY_TOTAL);
158                 hPerformancePagePhysicalMemoryAvailableEdit = GetDlgItem(hDlg, IDC_PHYSICAL_MEMORY_AVAILABLE);
159                 hPerformancePagePhysicalMemorySystemCacheEdit = GetDlgItem(hDlg, IDC_PHYSICAL_MEMORY_SYSTEM_CACHE);
160                 hPerformancePageTotalsHandleCountEdit = GetDlgItem(hDlg, IDC_TOTALS_HANDLE_COUNT);
161                 hPerformancePageTotalsProcessCountEdit = GetDlgItem(hDlg, IDC_TOTALS_PROCESS_COUNT);
162                 hPerformancePageTotalsThreadCountEdit = GetDlgItem(hDlg, IDC_TOTALS_THREAD_COUNT);
163
164         hPerformancePageCpuUsageGraph = GetDlgItem(hDlg, IDC_CPU_USAGE_GRAPH);
165                 hPerformancePageMemUsageGraph = GetDlgItem(hDlg, IDC_MEM_USAGE_GRAPH);
166                 hPerformancePageMemUsageHistoryGraph = GetDlgItem(hDlg, IDC_MEM_USAGE_HISTORY_GRAPH);
167         hPerformancePageCpuUsageHistoryGraph = GetDlgItem(hDlg, IDC_CPU_USAGE_HISTORY_GRAPH);
168                 
169                 GetClientRect(hPerformancePageCpuUsageHistoryGraph, &rc);
170         /*  create the control */
171         /* PerformancePageCpuUsageHistoryGraph.Create(0, rc, hDlg, IDC_CPU_USAGE_HISTORY_GRAPH); */
172         GraphCtrl_Create(&PerformancePageCpuUsageHistoryGraph, hPerformancePageCpuUsageHistoryGraph, hDlg, IDC_CPU_USAGE_HISTORY_GRAPH);
173         /*  customize the control */
174         GraphCtrl_SetRange(&PerformancePageCpuUsageHistoryGraph, 0.0, 100.0, 10);
175 /*         PerformancePageCpuUsageHistoryGraph.SetYUnits("Current") ; */
176 /*         PerformancePageCpuUsageHistoryGraph.SetXUnits("Samples (Windows Timer: 100 msec)") ; */
177 /*         PerformancePageCpuUsageHistoryGraph.SetBackgroundColor(RGB(0, 0, 64)) ; */
178 /*         PerformancePageCpuUsageHistoryGraph.SetGridColor(RGB(192, 192, 255)) ; */
179 /*         PerformancePageCpuUsageHistoryGraph.SetPlotColor(RGB(255, 255, 255)) ; */
180         GraphCtrl_SetBackgroundColor(&PerformancePageCpuUsageHistoryGraph, RGB(0, 0, 0)) ;
181         GraphCtrl_SetGridColor(&PerformancePageCpuUsageHistoryGraph, RGB(152, 205, 152)) ;
182         GraphCtrl_SetPlotColor(&PerformancePageCpuUsageHistoryGraph, 0, RGB(255, 0, 0)) ;
183         GraphCtrl_SetPlotColor(&PerformancePageCpuUsageHistoryGraph, 1, RGB(0, 255, 0)) ;
184
185         GetClientRect(hPerformancePageMemUsageHistoryGraph, &rc);
186         GraphCtrl_Create(&PerformancePageMemUsageHistoryGraph, hPerformancePageMemUsageHistoryGraph, hDlg, IDC_MEM_USAGE_HISTORY_GRAPH);
187         GraphCtrl_SetRange(&PerformancePageMemUsageHistoryGraph, 0.0, 100.0, 10) ;
188         GraphCtrl_SetBackgroundColor(&PerformancePageMemUsageHistoryGraph, RGB(0, 0, 0)) ;
189         GraphCtrl_SetGridColor(&PerformancePageMemUsageHistoryGraph, RGB(152, 215, 152)) ;
190         GraphCtrl_SetPlotColor(&PerformancePageMemUsageHistoryGraph, 0, RGB(255, 255, 0)) ;
191                 /*  Start our refresh thread */
192 #ifdef RUN_PERF_PAGE
193         CreateThread(NULL, 0, PerformancePageRefreshThread, NULL, 0, NULL);
194 #endif
195
196                 /* 
197                  *  Subclass graph buttons
198                  */ 
199         OldGraphWndProc = SetWindowLong(hPerformancePageCpuUsageGraph, GWL_WNDPROC, (LONG)Graph_WndProc);
200         SetWindowLong(hPerformancePageMemUsageGraph, GWL_WNDPROC, (LONG)Graph_WndProc);
201                 OldGraphCtrlWndProc = SetWindowLong(hPerformancePageMemUsageHistoryGraph, GWL_WNDPROC, (LONG)GraphCtrl_WndProc);
202                 SetWindowLong(hPerformancePageCpuUsageHistoryGraph, GWL_WNDPROC, (LONG)GraphCtrl_WndProc);
203                 return TRUE;
204
205         case WM_COMMAND:
206                 break;
207 #if 0
208     case WM_NCPAINT:
209         hdc = GetDC(hDlg);
210         GetClientRect(hDlg, &rc);
211         Draw3dRect(hdc, rc.left, rc.top, rc.right, rc.top + 2, GetSysColor(COLOR_3DSHADOW), GetSysColor(COLOR_3DHILIGHT));
212         ReleaseDC(hDlg, hdc);
213         break;
214
215     case WM_PAINT:
216         hdc = BeginPaint(hDlg, &ps);
217         GetClientRect(hDlg, &rc);
218         Draw3dRect(hdc, rc.left, rc.top, rc.right, rc.top + 2, GetSysColor(COLOR_3DSHADOW), GetSysColor(COLOR_3DHILIGHT));
219         EndPaint(hDlg, &ps);
220         break;
221 #endif
222         case WM_SIZE:
223         do {
224                 int             cx, cy;
225
226                 if (wParam == SIZE_MINIMIZED)
227                         return 0;
228
229                 cx = LOWORD(lParam);
230                 cy = HIWORD(lParam);
231                 nXDifference = cx - nPerformancePageWidth;
232                 nYDifference = cy - nPerformancePageHeight;
233                 nPerformancePageWidth = cx;
234                 nPerformancePageHeight = cy;
235         } while (0);
236
237                 /*  Reposition the performance page's controls */
238         AdjustFrameSize(hPerformancePageTotalsFrame, hDlg, 0, nYDifference, 0);
239         AdjustFrameSize(hPerformancePageCommitChargeFrame, hDlg, 0, nYDifference, 0);
240         AdjustFrameSize(hPerformancePageKernelMemoryFrame, hDlg, 0, nYDifference, 0);
241         AdjustFrameSize(hPerformancePagePhysicalMemoryFrame, hDlg, 0, nYDifference, 0);
242         AdjustCntrlPos(IDS_COMMIT_CHARGE_TOTAL, hDlg, 0, nYDifference);
243         AdjustCntrlPos(IDS_COMMIT_CHARGE_LIMIT, hDlg, 0, nYDifference);
244         AdjustCntrlPos(IDS_COMMIT_CHARGE_PEAK, hDlg, 0, nYDifference);
245         AdjustCntrlPos(IDS_KERNEL_MEMORY_TOTAL, hDlg, 0, nYDifference);
246         AdjustCntrlPos(IDS_KERNEL_MEMORY_PAGED, hDlg, 0, nYDifference);
247         AdjustCntrlPos(IDS_KERNEL_MEMORY_NONPAGED, hDlg, 0, nYDifference);
248         AdjustCntrlPos(IDS_PHYSICAL_MEMORY_TOTAL, hDlg, 0, nYDifference);
249         AdjustCntrlPos(IDS_PHYSICAL_MEMORY_AVAILABLE, hDlg, 0, nYDifference);
250         AdjustCntrlPos(IDS_PHYSICAL_MEMORY_SYSTEM_CACHE, hDlg, 0, nYDifference);
251         AdjustCntrlPos(IDS_TOTALS_HANDLE_COUNT, hDlg, 0, nYDifference);
252         AdjustCntrlPos(IDS_TOTALS_PROCESS_COUNT, hDlg, 0, nYDifference);
253         AdjustCntrlPos(IDS_TOTALS_THREAD_COUNT, hDlg, 0, nYDifference);
254
255         AdjustControlPostion(hPerformancePageCommitChargeTotalEdit, hDlg, 0, nYDifference);
256         AdjustControlPostion(hPerformancePageCommitChargeLimitEdit, hDlg, 0, nYDifference);
257         AdjustControlPostion(hPerformancePageCommitChargePeakEdit, hDlg, 0, nYDifference);
258         AdjustControlPostion(hPerformancePageKernelMemoryTotalEdit, hDlg, 0, nYDifference);
259         AdjustControlPostion(hPerformancePageKernelMemoryPagedEdit, hDlg, 0, nYDifference);
260         AdjustControlPostion(hPerformancePageKernelMemoryNonPagedEdit, hDlg, 0, nYDifference);
261         AdjustControlPostion(hPerformancePagePhysicalMemoryTotalEdit, hDlg, 0, nYDifference);
262         AdjustControlPostion(hPerformancePagePhysicalMemoryAvailableEdit, hDlg, 0, nYDifference);
263         AdjustControlPostion(hPerformancePagePhysicalMemorySystemCacheEdit, hDlg, 0, nYDifference);
264         AdjustControlPostion(hPerformancePageTotalsHandleCountEdit, hDlg, 0, nYDifference);
265         AdjustControlPostion(hPerformancePageTotalsProcessCountEdit, hDlg, 0, nYDifference);
266         AdjustControlPostion(hPerformancePageTotalsThreadCountEdit, hDlg, 0, nYDifference);
267
268         {
269             static int lastX, lastY;
270
271             nXDifference += lastX;
272             nYDifference += lastY;
273             lastX = lastY = 0;
274             if (nXDifference % 2) {
275                 if (nXDifference > 0) {
276                     nXDifference--;
277                     lastX++;
278                 } else {
279                     nXDifference++;
280                     lastX--;
281                 }
282             }
283             if (nYDifference % 2) {
284                 if (nYDifference > 0) {
285                     nYDifference--;
286                     lastY++;
287                 } else {
288                     nYDifference++;
289                     lastY--;
290                 }
291             }
292         }
293
294         AdjustFrameSize(hPerformancePageCpuUsageFrame, hDlg, nXDifference, nYDifference, 1);
295         AdjustFrameSize(hPerformancePageMemUsageFrame, hDlg, nXDifference, nYDifference, 2);
296         AdjustFrameSize(hPerformancePageCpuUsageHistoryFrame, hDlg, nXDifference, nYDifference, 3);
297         AdjustFrameSize(hPerformancePageMemUsageHistoryFrame, hDlg, nXDifference, nYDifference, 4);
298         AdjustFrameSize(hPerformancePageCpuUsageGraph, hDlg, nXDifference, nYDifference, 1);
299         AdjustFrameSize(hPerformancePageMemUsageGraph, hDlg, nXDifference, nYDifference, 2);
300         AdjustFrameSize(hPerformancePageCpuUsageHistoryGraph, hDlg, nXDifference, nYDifference, 3);
301         AdjustFrameSize(hPerformancePageMemUsageHistoryGraph, hDlg, nXDifference, nYDifference, 4);
302                 break;
303         }
304     return 0;
305 }
306
307 void RefreshPerformancePage(void)
308 {
309         /*  Signal the event so that our refresh thread */
310         /*  will wake up and refresh the performance page */
311         SetEvent(hPerformancePageEvent);
312 }
313
314 DWORD WINAPI PerformancePageRefreshThread(void *lpParameter)
315 {
316         ULONG   CommitChargeTotal;
317         ULONG   CommitChargeLimit;
318         ULONG   CommitChargePeak;
319
320         ULONG   KernelMemoryTotal;
321         ULONG   KernelMemoryPaged;
322         ULONG   KernelMemoryNonPaged;
323
324         ULONG   PhysicalMemoryTotal;
325         ULONG   PhysicalMemoryAvailable;
326         ULONG   PhysicalMemorySystemCache;
327
328         ULONG   TotalHandles;
329         ULONG   TotalThreads;
330         ULONG   TotalProcesses;
331
332         TCHAR   Text[260];
333
334         /*  Create the event */
335         hPerformancePageEvent = CreateEvent(NULL, TRUE, TRUE, _T("Performance Page Event"));
336
337         /*  If we couldn't create the event then exit the thread */
338         if (!hPerformancePageEvent)
339                 return 0;
340
341         while (1)
342         {
343                 DWORD   dwWaitVal;
344
345                 /*  Wait on the event */
346                 dwWaitVal = WaitForSingleObject(hPerformancePageEvent, INFINITE);
347
348                 /*  If the wait failed then the event object must have been */
349                 /*  closed and the task manager is exiting so exit this thread */
350                 if (dwWaitVal == WAIT_FAILED)
351                         return 0;
352
353                 if (dwWaitVal == WAIT_OBJECT_0)
354                 {
355                         ULONG CpuUsage;
356                         ULONG CpuKernelUsage;
357                         int nBarsUsed1;
358                         int nBarsUsed2;
359
360                         /*  Reset our event */
361                         ResetEvent(hPerformancePageEvent);
362
363                         /* 
364                          *  Update the commit charge info
365                          */ 
366                         CommitChargeTotal = PerfDataGetCommitChargeTotalK();
367                         CommitChargeLimit = PerfDataGetCommitChargeLimitK();
368                         CommitChargePeak = PerfDataGetCommitChargePeakK();
369                         _ultoa(CommitChargeTotal, Text, 10);
370                         SetWindowText(hPerformancePageCommitChargeTotalEdit, Text);
371                         _ultoa(CommitChargeLimit, Text, 10);
372                         SetWindowText(hPerformancePageCommitChargeLimitEdit, Text);
373                         _ultoa(CommitChargePeak, Text, 10);
374                         SetWindowText(hPerformancePageCommitChargePeakEdit, Text);
375                         wsprintf(Text, _T("Mem Usage: %dK / %dK"), CommitChargeTotal, CommitChargeLimit);
376                         SendMessage(hStatusWnd, SB_SETTEXT, 2, (LPARAM)Text);
377
378                         /* 
379                          *  Update the kernel memory info
380                          */ 
381                         KernelMemoryTotal = PerfDataGetKernelMemoryTotalK();
382                         KernelMemoryPaged = PerfDataGetKernelMemoryPagedK();
383                         KernelMemoryNonPaged = PerfDataGetKernelMemoryNonPagedK();
384                         _ultoa(KernelMemoryTotal, Text, 10);
385                         SetWindowText(hPerformancePageKernelMemoryTotalEdit, Text);
386                         _ultoa(KernelMemoryPaged, Text, 10);
387                         SetWindowText(hPerformancePageKernelMemoryPagedEdit, Text);
388                         _ultoa(KernelMemoryNonPaged, Text, 10);
389                         SetWindowText(hPerformancePageKernelMemoryNonPagedEdit, Text);
390
391                         /* 
392                          *  Update the physical memory info
393                          */ 
394                         PhysicalMemoryTotal = PerfDataGetPhysicalMemoryTotalK();
395                         PhysicalMemoryAvailable = PerfDataGetPhysicalMemoryAvailableK();
396                         PhysicalMemorySystemCache = PerfDataGetPhysicalMemorySystemCacheK();
397                         _ultoa(PhysicalMemoryTotal, Text, 10);
398                         SetWindowText(hPerformancePagePhysicalMemoryTotalEdit, Text);
399                         _ultoa(PhysicalMemoryAvailable, Text, 10);
400                         SetWindowText(hPerformancePagePhysicalMemoryAvailableEdit, Text);
401                         _ultoa(PhysicalMemorySystemCache, Text, 10);
402                         SetWindowText(hPerformancePagePhysicalMemorySystemCacheEdit, Text);
403
404                         /* 
405                          *  Update the totals info
406                          */ 
407                         TotalHandles = PerfDataGetSystemHandleCount();
408                         TotalThreads = PerfDataGetTotalThreadCount();
409                         TotalProcesses = PerfDataGetProcessCount();
410                         _ultoa(TotalHandles, Text, 10);
411                         SetWindowText(hPerformancePageTotalsHandleCountEdit, Text);
412                         _ultoa(TotalThreads, Text, 10);
413                         SetWindowText(hPerformancePageTotalsThreadCountEdit, Text);
414                         _ultoa(TotalProcesses, Text, 10);
415                         SetWindowText(hPerformancePageTotalsProcessCountEdit, Text);
416
417                         /* 
418                          *  Redraw the graphs
419                          */ 
420                         InvalidateRect(hPerformancePageCpuUsageGraph, NULL, FALSE);
421                         InvalidateRect(hPerformancePageMemUsageGraph, NULL, FALSE);
422
423                         /*
424                          *  Get the CPU usage
425                          */
426                         CpuUsage = PerfDataGetProcessorUsage();
427                         CpuKernelUsage = PerfDataGetProcessorSystemUsage();
428                         if (CpuUsage < 0 )        CpuUsage = 0;
429                         if (CpuUsage > 100)       CpuUsage = 100;
430                         if (CpuKernelUsage < 0)   CpuKernelUsage = 0;
431                         if (CpuKernelUsage > 100) CpuKernelUsage = 100;
432
433                         /*
434                          *  Get the memory usage
435                          */
436                         CommitChargeTotal = (ULONGLONG)PerfDataGetCommitChargeTotalK();
437                         CommitChargeLimit = (ULONGLONG)PerfDataGetCommitChargeLimitK();
438                         nBarsUsed1 = CommitChargeLimit ? ((CommitChargeTotal * 100) / CommitChargeLimit) : 0;
439
440                         PhysicalMemoryTotal = PerfDataGetPhysicalMemoryTotalK();
441                         PhysicalMemoryAvailable = PerfDataGetPhysicalMemoryAvailableK();
442                         nBarsUsed2 = PhysicalMemoryTotal ? ((PhysicalMemoryAvailable * 100) / PhysicalMemoryTotal) : 0;
443
444
445                         GraphCtrl_AppendPoint(&PerformancePageCpuUsageHistoryGraph, CpuUsage, CpuKernelUsage, 0.0, 0.0);
446                         GraphCtrl_AppendPoint(&PerformancePageMemUsageHistoryGraph, nBarsUsed1, nBarsUsed2, 0.0, 0.0);
447                         /* PerformancePageMemUsageHistoryGraph.SetRange(0.0, 100.0, 10) ; */
448                         InvalidateRect(hPerformancePageMemUsageHistoryGraph, NULL, FALSE);
449                         InvalidateRect(hPerformancePageCpuUsageHistoryGraph, NULL, FALSE);
450                 }
451         }
452         return 0;
453 }
454
455 void PerformancePage_OnViewShowKernelTimes(void)
456 {
457         HMENU   hMenu;
458         HMENU   hViewMenu;
459
460         hMenu = GetMenu(hMainWnd);
461         hViewMenu = GetSubMenu(hMenu, 2);
462
463         /*  Check or uncheck the show 16-bit tasks menu item */
464         if (GetMenuState(hViewMenu, ID_VIEW_SHOWKERNELTIMES, MF_BYCOMMAND) & MF_CHECKED)
465         {
466                 CheckMenuItem(hViewMenu, ID_VIEW_SHOWKERNELTIMES, MF_BYCOMMAND|MF_UNCHECKED);
467                 TaskManagerSettings.ShowKernelTimes = FALSE;
468         }
469         else
470         {
471                 CheckMenuItem(hViewMenu, ID_VIEW_SHOWKERNELTIMES, MF_BYCOMMAND|MF_CHECKED);
472                 TaskManagerSettings.ShowKernelTimes = TRUE;
473         }
474
475         RefreshPerformancePage();
476 }
477
478 void PerformancePage_OnViewCPUHistoryOneGraphAll(void)
479 {
480         HMENU   hMenu;
481         HMENU   hViewMenu;
482         HMENU   hCPUHistoryMenu;
483
484         hMenu = GetMenu(hMainWnd);
485         hViewMenu = GetSubMenu(hMenu, 2);
486         hCPUHistoryMenu = GetSubMenu(hViewMenu, 3);
487
488         TaskManagerSettings.CPUHistory_OneGraphPerCPU = FALSE;
489         CheckMenuRadioItem(hCPUHistoryMenu, ID_VIEW_CPUHISTORY_ONEGRAPHALL, ID_VIEW_CPUHISTORY_ONEGRAPHPERCPU, ID_VIEW_CPUHISTORY_ONEGRAPHALL, MF_BYCOMMAND);
490 }
491
492 void PerformancePage_OnViewCPUHistoryOneGraphPerCPU(void)
493 {
494         HMENU   hMenu;
495         HMENU   hViewMenu;
496         HMENU   hCPUHistoryMenu;
497
498         hMenu = GetMenu(hMainWnd);
499         hViewMenu = GetSubMenu(hMenu, 2);
500         hCPUHistoryMenu = GetSubMenu(hViewMenu, 3);
501
502         TaskManagerSettings.CPUHistory_OneGraphPerCPU = TRUE;
503         CheckMenuRadioItem(hCPUHistoryMenu, ID_VIEW_CPUHISTORY_ONEGRAPHALL, ID_VIEW_CPUHISTORY_ONEGRAPHPERCPU, ID_VIEW_CPUHISTORY_ONEGRAPHPERCPU, MF_BYCOMMAND);
504 }