6 * Copyright (C) 1999 - 2001 Brian Palmer <brianp@reactos.org>
7 * Copyright (C) 2008 Vladimir Pankratov
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
24 #define WIN32_LEAN_AND_MEAN /* Exclude rarely-used stuff from Windows headers */
32 #include "wine/unicode.h"
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 */
60 static const WCHAR wszFormatI[] = {'%','d','%','%',0};
61 static const WCHAR wszFormatII[] = {' ',' ','%','d','%','%',0};
62 static const WCHAR wszFormatIII[] = {' ','%','d','%','%',0};
65 * Get the client area rectangle
67 GetClientRect(hWnd, &rcClient);
70 * Fill it with blackness
72 FillSolidRect(hDC, &rcClient, RGB(0, 0, 0));
77 CpuUsage = PerfDataGetProcessorUsage();
78 CpuKernelUsage = PerfDataGetProcessorSystemUsage();
81 * Check and see how many digits it will take
82 * so we get the indentation right every time.
86 sprintfW(Text, wszFormatI, (int)CpuUsage);
88 else if (CpuUsage < 10)
90 sprintfW(Text, wszFormatII, (int)CpuUsage);
94 sprintfW(Text, wszFormatIII, (int)CpuUsage);
98 * Draw the font text onto the graph
99 * The bottom 20 pixels are reserved for the text
101 Font_DrawText(hDC, Text, ((rcClient.right - rcClient.left) - 32) / 2, rcClient.bottom - 11 - 5);
104 * Now we have to draw the graph
105 * So first find out how many bars we can fit
107 nBars = ((rcClient.bottom - rcClient.top) - 25) / 3;
108 nBarsUsed = (nBars * CpuUsage) / 100;
109 if ((CpuUsage) && (nBarsUsed == 0))
113 nBarsFree = nBars - nBarsUsed;
114 if (TaskManagerSettings.ShowKernelTimes)
116 nBarsUsedKernel = ((nBars * 2) * CpuKernelUsage) / 100;
117 nBarsUsed -= (nBarsUsedKernel / 2);
125 * Now draw the bar graph
127 rcBarLeft.left = ((rcClient.right - rcClient.left) - 33) / 2;
128 rcBarLeft.right = rcBarLeft.left + 16;
129 rcBarRight.left = rcBarLeft.left + 17;
130 rcBarRight.right = rcBarLeft.right + 17;
131 rcBarLeft.top = rcBarRight.top = 5;
132 rcBarLeft.bottom = rcBarRight.bottom = 7;
134 if (nBarsUsed < 0) nBarsUsed = 0;
135 if (nBarsUsed > nBars) nBarsUsed = nBars;
137 if (nBarsFree < 0) nBarsFree = 0;
138 if (nBarsFree > nBars) nBarsFree = nBars;
140 if (nBarsUsedKernel < 0) nBarsUsedKernel = 0;
141 if (nBarsUsedKernel > nBars) nBarsUsedKernel = nBars;
144 * Draw the "free" bars
146 for (i=0; i<nBarsFree; i++)
148 FillSolidRect(hDC, &rcBarLeft, DARK_GREEN);
149 FillSolidRect(hDC, &rcBarRight, DARK_GREEN);
152 rcBarLeft.bottom += 3;
155 rcBarRight.bottom += 3;
159 * Draw the "used" bars
161 for (i=0; i<nBarsUsed; i++)
163 if (nBarsUsed > 5000) nBarsUsed = 5000;
165 FillSolidRect(hDC, &rcBarLeft, BRIGHT_GREEN);
166 FillSolidRect(hDC, &rcBarRight, BRIGHT_GREEN);
169 rcBarLeft.bottom += 3;
172 rcBarRight.bottom += 3;
176 * Draw the "used" kernel bars
180 if (nBarsUsedKernel && nBarsUsedKernel % 2)
183 rcBarLeft.bottom -= 2;
186 rcBarRight.bottom -= 2;
188 FillSolidRect(hDC, &rcBarLeft, RED);
189 FillSolidRect(hDC, &rcBarRight, RED);
192 rcBarLeft.bottom += 2;
195 rcBarRight.bottom += 2;
199 for (i=0; i<nBarsUsedKernel; i++)
201 if (nBarsUsedKernel > 5000) nBarsUsedKernel = 5000;
203 FillSolidRect(hDC, &rcBarLeft, RED);
204 FillSolidRect(hDC, &rcBarRight, RED);
223 static void Graph_DrawMemUsageGraph(HDC hDC, HWND hWnd)
229 ULONGLONG CommitChargeTotal;
230 ULONGLONG CommitChargeLimit;
233 /* Bottom bars that are "used", i.e. are bright green, representing used memory */
235 /* Top bars that are "unused", i.e. are dark green, representing free memory */
238 static const WCHAR wszFormat[] = {'%','d','K',0};
241 * Get the client area rectangle
243 GetClientRect(hWnd, &rcClient);
246 * Fill it with blackness
248 FillSolidRect(hDC, &rcClient, RGB(0, 0, 0));
251 * Get the memory usage
253 CommitChargeTotal = (ULONGLONG)PerfDataGetCommitChargeTotalK();
254 CommitChargeLimit = (ULONGLONG)PerfDataGetCommitChargeLimitK();
256 sprintfW(Text, wszFormat, (int)CommitChargeTotal);
259 * Draw the font text onto the graph
260 * The bottom 20 pixels are reserved for the text
262 Font_DrawText(hDC, Text, ((rcClient.right - rcClient.left) - (strlenW(Text) * 8)) / 2, rcClient.bottom - 11 - 5);
265 * Now we have to draw the graph
266 * So first find out how many bars we can fit
268 nBars = ((rcClient.bottom - rcClient.top) - 25) / 3;
269 if (CommitChargeLimit)
270 nBarsUsed = (nBars * (int)((CommitChargeTotal * 100) / CommitChargeLimit)) / 100;
271 nBarsFree = nBars - nBarsUsed;
273 if (nBarsUsed < 0) nBarsUsed = 0;
274 if (nBarsUsed > nBars) nBarsUsed = nBars;
276 if (nBarsFree < 0) nBarsFree = 0;
277 if (nBarsFree > nBars) nBarsFree = nBars;
280 * Now draw the bar graph
282 rcBarLeft.left = ((rcClient.right - rcClient.left) - 33) / 2;
283 rcBarLeft.right = rcBarLeft.left + 16;
284 rcBarRight.left = rcBarLeft.left + 17;
285 rcBarRight.right = rcBarLeft.right + 17;
286 rcBarLeft.top = rcBarRight.top = 5;
287 rcBarLeft.bottom = rcBarRight.bottom = 7;
290 * Draw the "free" bars
292 for (i=0; i<nBarsFree; i++)
294 FillSolidRect(hDC, &rcBarLeft, DARK_GREEN);
295 FillSolidRect(hDC, &rcBarRight, DARK_GREEN);
298 rcBarLeft.bottom += 3;
301 rcBarRight.bottom += 3;
305 * Draw the "used" bars
307 for (i=0; i<nBarsUsed; i++)
309 FillSolidRect(hDC, &rcBarLeft, BRIGHT_GREEN);
310 FillSolidRect(hDC, &rcBarRight, BRIGHT_GREEN);
313 rcBarLeft.bottom += 3;
316 rcBarRight.bottom += 3;
320 static void Graph_DrawMemUsageHistoryGraph(HDC hDC, HWND hWnd)
323 ULONGLONG CommitChargeLimit;
325 static int offset = 0;
331 * Get the client area rectangle
333 GetClientRect(hWnd, &rcClient);
336 * Fill it with blackness
338 FillSolidRect(hDC, &rcClient, RGB(0, 0, 0));
341 * Get the memory usage
343 CommitChargeLimit = (ULONGLONG)PerfDataGetCommitChargeLimitK();
346 * Draw the graph background
348 * Draw the horizontal bars
350 for (i=0; i<rcClient.bottom; i++)
354 /* FillSolidRect2(hDC, 0, i, rcClient.right, 1, DARK_GREEN); */
358 * Draw the vertical bars
360 for (i=11; i<rcClient.right + offset; i++)
364 /* FillSolidRect2(hDC, i - offset, 0, 1, rcClient.bottom, DARK_GREEN); */
369 * Draw the memory usage
371 for (i=rcClient.right; i>=0; i--)
377 Graph_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
389 * Filter out mouse & keyboard messages
391 /* case WM_APPCOMMAND: */
392 case WM_CAPTURECHANGED:
393 case WM_LBUTTONDBLCLK:
396 case WM_MBUTTONDBLCLK:
399 case WM_MOUSEACTIVATE:
403 /* case WM_MOUSEWHEEL: */
405 case WM_NCLBUTTONDBLCLK:
406 case WM_NCLBUTTONDOWN:
408 case WM_NCMBUTTONDBLCLK:
409 case WM_NCMBUTTONDOWN:
411 /* case WM_NCMOUSEHOVER: */
412 /* case WM_NCMOUSELEAVE: */
414 case WM_NCRBUTTONDBLCLK:
415 case WM_NCRBUTTONDOWN:
417 /* case WM_NCXBUTTONDBLCLK: */
418 /* case WM_NCXBUTTONDOWN: */
419 /* case WM_NCXBUTTONUP: */
420 case WM_RBUTTONDBLCLK:
423 /* case WM_XBUTTONDBLCLK: */
424 /* case WM_XBUTTONDOWN: */
425 /* case WM_XBUTTONUP: */
446 hdc = BeginPaint(hWnd, &ps);
448 WindowId = GetWindowLongPtr(hWnd, GWLP_ID);
452 case IDC_CPU_USAGE_GRAPH:
453 Graph_DrawCpuUsageGraph(hdc, hWnd);
455 case IDC_MEM_USAGE_GRAPH:
456 Graph_DrawMemUsageGraph(hdc, hWnd);
458 case IDC_MEM_USAGE_HISTORY_GRAPH:
459 Graph_DrawMemUsageHistoryGraph(hdc, hWnd);
470 * We pass on all non-handled messages
472 return CallWindowProc((WNDPROC)OldGraphWndProc, hWnd, message, wParam, lParam);