6 * Copyright (C) 1999 - 2001 Brian Palmer <brianp@reactos.org>
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.
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.
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 #define WIN32_LEAN_AND_MEAN /* Exclude rarely-used stuff from Windows headers */
36 #define BRIGHT_GREEN RGB(0, 255, 0)
37 #define DARK_GREEN RGB(0, 130, 0)
38 #define RED RGB(255, 0, 0)
41 WNDPROC OldGraphWndProc;
43 static void Graph_DrawCpuUsageGraph(HDC hDC, HWND hWnd)
53 /* Bottom bars that are "used", i.e. are bright green, representing used cpu time */
55 /* Bottom bars that are "used", i.e. are bright green, representing used cpu kernel time */
57 /* Top bars that are "unused", i.e. are dark green, representing free cpu time */
61 * Get the client area rectangle
63 GetClientRect(hWnd, &rcClient);
66 * Fill it with blackness
68 FillSolidRect(hDC, &rcClient, RGB(0, 0, 0));
73 CpuUsage = PerfDataGetProcessorUsage();
74 CpuKernelUsage = PerfDataGetProcessorSystemUsage();
77 * Check and see how many digits it will take
78 * so we get the indentation right every time.
82 _stprintf(Text, _T("%d%%"), (int)CpuUsage);
84 else if (CpuUsage < 10)
86 _stprintf(Text, _T(" %d%%"), (int)CpuUsage);
90 _stprintf(Text, _T(" %d%%"), (int)CpuUsage);
94 * Draw the font text onto the graph
95 * The bottom 20 pixels are reserved for the text
97 Font_DrawText(hDC, Text, ((rcClient.right - rcClient.left) - 32) / 2, rcClient.bottom - 11 - 5);
100 * Now we have to draw the graph
101 * So first find out how many bars we can fit
103 nBars = ((rcClient.bottom - rcClient.top) - 25) / 3;
104 nBarsUsed = (nBars * CpuUsage) / 100;
105 if ((CpuUsage) && (nBarsUsed == 0))
109 nBarsFree = nBars - nBarsUsed;
110 if (TaskManagerSettings.ShowKernelTimes)
112 nBarsUsedKernel = ((nBars * 2) * CpuKernelUsage) / 100;
113 nBarsUsed -= (nBarsUsedKernel / 2);
121 * Now draw the bar graph
123 rcBarLeft.left = ((rcClient.right - rcClient.left) - 33) / 2;
124 rcBarLeft.right = rcBarLeft.left + 16;
125 rcBarRight.left = rcBarLeft.left + 17;
126 rcBarRight.right = rcBarLeft.right + 17;
127 rcBarLeft.top = rcBarRight.top = 5;
128 rcBarLeft.bottom = rcBarRight.bottom = 7;
130 if (nBarsUsed < 0) nBarsUsed = 0;
131 if (nBarsUsed > nBars) nBarsUsed = nBars;
133 if (nBarsFree < 0) nBarsFree = 0;
134 if (nBarsFree > nBars) nBarsFree = nBars;
136 if (nBarsUsedKernel < 0) nBarsUsedKernel = 0;
137 if (nBarsUsedKernel > nBars) nBarsUsedKernel = nBars;
140 * Draw the "free" bars
142 for (i=0; i<nBarsFree; i++)
144 FillSolidRect(hDC, &rcBarLeft, DARK_GREEN);
145 FillSolidRect(hDC, &rcBarRight, DARK_GREEN);
148 rcBarLeft.bottom += 3;
151 rcBarRight.bottom += 3;
155 * Draw the "used" bars
157 for (i=0; i<nBarsUsed; i++)
159 if (nBarsUsed > 5000) nBarsUsed = 5000;
161 FillSolidRect(hDC, &rcBarLeft, BRIGHT_GREEN);
162 FillSolidRect(hDC, &rcBarRight, BRIGHT_GREEN);
165 rcBarLeft.bottom += 3;
168 rcBarRight.bottom += 3;
172 * Draw the "used" kernel bars
176 if (nBarsUsedKernel && nBarsUsedKernel % 2)
179 rcBarLeft.bottom -= 2;
182 rcBarRight.bottom -= 2;
184 FillSolidRect(hDC, &rcBarLeft, RED);
185 FillSolidRect(hDC, &rcBarRight, RED);
188 rcBarLeft.bottom += 2;
191 rcBarRight.bottom += 2;
195 for (i=0; i<nBarsUsedKernel; i++)
197 if (nBarsUsedKernel > 5000) nBarsUsedKernel = 5000;
199 FillSolidRect(hDC, &rcBarLeft, RED);
200 FillSolidRect(hDC, &rcBarRight, RED);
219 static void Graph_DrawMemUsageGraph(HDC hDC, HWND hWnd)
225 ULONGLONG CommitChargeTotal;
226 ULONGLONG CommitChargeLimit;
229 /* Bottom bars that are "used", i.e. are bright green, representing used memory */
231 /* Top bars that are "unused", i.e. are dark green, representing free memory */
235 * Get the client area rectangle
237 GetClientRect(hWnd, &rcClient);
240 * Fill it with blackness
242 FillSolidRect(hDC, &rcClient, RGB(0, 0, 0));
245 * Get the memory usage
247 CommitChargeTotal = (ULONGLONG)PerfDataGetCommitChargeTotalK();
248 CommitChargeLimit = (ULONGLONG)PerfDataGetCommitChargeLimitK();
250 _stprintf(Text, _T("%dK"), (int)CommitChargeTotal);
253 * Draw the font text onto the graph
254 * The bottom 20 pixels are reserved for the text
256 Font_DrawText(hDC, Text, ((rcClient.right - rcClient.left) - (_tcslen(Text) * 8)) / 2, rcClient.bottom - 11 - 5);
259 * Now we have to draw the graph
260 * So first find out how many bars we can fit
262 nBars = ((rcClient.bottom - rcClient.top) - 25) / 3;
263 if (CommitChargeLimit)
264 nBarsUsed = (nBars * (int)((CommitChargeTotal * 100) / CommitChargeLimit)) / 100;
265 nBarsFree = nBars - nBarsUsed;
267 if (nBarsUsed < 0) nBarsUsed = 0;
268 if (nBarsUsed > nBars) nBarsUsed = nBars;
270 if (nBarsFree < 0) nBarsFree = 0;
271 if (nBarsFree > nBars) nBarsFree = nBars;
274 * Now draw the bar graph
276 rcBarLeft.left = ((rcClient.right - rcClient.left) - 33) / 2;
277 rcBarLeft.right = rcBarLeft.left + 16;
278 rcBarRight.left = rcBarLeft.left + 17;
279 rcBarRight.right = rcBarLeft.right + 17;
280 rcBarLeft.top = rcBarRight.top = 5;
281 rcBarLeft.bottom = rcBarRight.bottom = 7;
284 * Draw the "free" bars
286 for (i=0; i<nBarsFree; i++)
288 FillSolidRect(hDC, &rcBarLeft, DARK_GREEN);
289 FillSolidRect(hDC, &rcBarRight, DARK_GREEN);
292 rcBarLeft.bottom += 3;
295 rcBarRight.bottom += 3;
299 * Draw the "used" bars
301 for (i=0; i<nBarsUsed; i++)
303 FillSolidRect(hDC, &rcBarLeft, BRIGHT_GREEN);
304 FillSolidRect(hDC, &rcBarRight, BRIGHT_GREEN);
307 rcBarLeft.bottom += 3;
310 rcBarRight.bottom += 3;
314 static void Graph_DrawMemUsageHistoryGraph(HDC hDC, HWND hWnd)
317 ULONGLONG CommitChargeLimit;
319 static int offset = 0;
325 * Get the client area rectangle
327 GetClientRect(hWnd, &rcClient);
330 * Fill it with blackness
332 FillSolidRect(hDC, &rcClient, RGB(0, 0, 0));
335 * Get the memory usage
337 CommitChargeLimit = (ULONGLONG)PerfDataGetCommitChargeLimitK();
340 * Draw the graph background
342 * Draw the horizontal bars
344 for (i=0; i<rcClient.bottom; i++)
348 /* FillSolidRect2(hDC, 0, i, rcClient.right, 1, DARK_GREEN); */
352 * Draw the vertical bars
354 for (i=11; i<rcClient.right + offset; i++)
358 /* FillSolidRect2(hDC, i - offset, 0, 1, rcClient.bottom, DARK_GREEN); */
363 * Draw the memory usage
365 for (i=rcClient.right; i>=0; i--)
371 Graph_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
383 * Filter out mouse & keyboard messages
385 /* case WM_APPCOMMAND: */
386 case WM_CAPTURECHANGED:
387 case WM_LBUTTONDBLCLK:
390 case WM_MBUTTONDBLCLK:
393 case WM_MOUSEACTIVATE:
397 /* case WM_MOUSEWHEEL: */
399 case WM_NCLBUTTONDBLCLK:
400 case WM_NCLBUTTONDOWN:
402 case WM_NCMBUTTONDBLCLK:
403 case WM_NCMBUTTONDOWN:
405 /* case WM_NCMOUSEHOVER: */
406 /* case WM_NCMOUSELEAVE: */
408 case WM_NCRBUTTONDBLCLK:
409 case WM_NCRBUTTONDOWN:
411 /* case WM_NCXBUTTONDBLCLK: */
412 /* case WM_NCXBUTTONDOWN: */
413 /* case WM_NCXBUTTONUP: */
414 case WM_RBUTTONDBLCLK:
417 /* case WM_XBUTTONDBLCLK: */
418 /* case WM_XBUTTONDOWN: */
419 /* case WM_XBUTTONUP: */
440 hdc = BeginPaint(hWnd, &ps);
442 WindowId = GetWindowLongPtr(hWnd, GWLP_ID);
446 case IDC_CPU_USAGE_GRAPH:
447 Graph_DrawCpuUsageGraph(hdc, hWnd);
449 case IDC_MEM_USAGE_GRAPH:
450 Graph_DrawMemUsageGraph(hdc, hWnd);
452 case IDC_MEM_USAGE_HISTORY_GRAPH:
453 Graph_DrawMemUsageHistoryGraph(hdc, hWnd);
464 * We pass on all non-handled messages
466 return CallWindowProc((WNDPROC)OldGraphWndProc, hWnd, message, wParam, lParam);