1 /* 2 ProcessController © 2000, Georges-Edouard Berenger, All Rights Reserved. 3 Copyright (C) 2004 beunited.org 4 5 This library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 This library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with this library; if not, write to the Free Software 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 18 */ 19 20 #include "ThreadBarMenuItem.h" 21 22 #include "Colors.h" 23 #include "PriorityMenu.h" 24 #include "ProcessController.h" 25 26 #include <stdio.h> 27 28 29 ThreadBarMenuItem::ThreadBarMenuItem(const char* title, thread_id thread, 30 BMenu *menu, BMessage* msg) 31 : BMenuItem(menu, msg), fThreadID(thread) 32 { 33 SetLabel(title); 34 get_thread_info(fThreadID, &fThreadInfo); 35 fLastTime = system_time(); 36 fKernel = -1; 37 fGrenze1 = -1; 38 fGrenze2 = -1; 39 } 40 41 42 void 43 ThreadBarMenuItem::DrawContent() 44 { 45 if (fKernel < 0) 46 BarUpdate(); 47 DrawBar(true); 48 Menu()->MovePenTo(ContentLocation()); 49 BMenuItem::DrawContent(); 50 } 51 52 53 void 54 ThreadBarMenuItem::DrawBar(bool force) 55 { 56 bool selected = IsSelected(); 57 BRect frame = Frame(); 58 BMenu* menu = Menu(); 59 frame.right -= 24; 60 frame.left = frame.right - kBarWidth; 61 frame.top += 3; 62 frame.bottom = frame.top + 8; 63 if (fKernel < 0) 64 return; 65 66 if (fGrenze1 < 0) 67 force = true; 68 69 if (force) { 70 if (selected) 71 menu->SetHighColor(gFrameColorSelected); 72 else 73 menu->SetHighColor(gFrameColor); 74 menu->StrokeRect(frame); 75 } 76 77 frame.InsetBy(1, 1); 78 BRect r = frame; 79 float grenze1 = frame.left + (frame.right - frame.left) * fKernel; 80 float grenze2 = frame.left + (frame.right - frame.left) * (fKernel + fUser); 81 if (grenze1 > frame.right) 82 grenze1 = frame.right; 83 if (grenze2 > frame.right) 84 grenze2 = frame.right; 85 r.right = grenze1; 86 87 if (!force) 88 r.left = fGrenze1; 89 90 if (r.left < r.right) { 91 if (selected) 92 menu->SetHighColor(gKernelColorSelected); 93 else 94 menu->SetHighColor(gKernelColor); 95 menu->FillRect(r); 96 } 97 98 r.left = grenze1; 99 r.right = grenze2; 100 if (!force) { 101 if (fGrenze2 > r.left && r.left >= fGrenze1) 102 r.left = fGrenze2; 103 if (fGrenze1 < r.right && r.right <= fGrenze2) 104 r.right = fGrenze1; 105 } 106 if (r.left < r.right) { 107 thread_info threadInfo; 108 bool idleThread = false; 109 if (get_thread_info(fThreadID, &threadInfo) == B_OK) 110 idleThread = threadInfo.priority == B_IDLE_PRIORITY; 111 112 if (selected) { 113 menu->SetHighColor( 114 idleThread ? gIdleColorSelected : gUserColorSelected); 115 } else 116 menu->SetHighColor(idleThread ? gIdleColor : gUserColor); 117 menu->FillRect(r); 118 } 119 r.left = grenze2; 120 r.right = frame.right; 121 if (!force) 122 r.right = fGrenze2; 123 if (r.left < r.right) { 124 if (selected) 125 menu->SetHighColor(gWhiteSelected); 126 else 127 menu->SetHighColor(kWhite); 128 menu->FillRect(r); 129 } 130 menu->SetHighColor(kBlack); 131 fGrenze1 = grenze1; 132 fGrenze2 = grenze2; 133 } 134 135 136 void 137 ThreadBarMenuItem::GetContentSize(float* width, float* height) 138 { 139 BMenuItem::GetContentSize(width, height); 140 // if (*height < 16) 141 // *height = 16; 142 *width += 10 + kBarWidth; 143 } 144 145 146 void 147 ThreadBarMenuItem::Highlight(bool on) 148 { 149 if (on) { 150 PriorityMenu* popup = (PriorityMenu*)Submenu(); 151 if (popup) 152 popup->Update(fThreadInfo.priority); 153 } 154 BMenuItem::Highlight(on); 155 } 156 157 158 void 159 ThreadBarMenuItem::BarUpdate() 160 { 161 thread_info info; 162 if (get_thread_info(fThreadID, &info) == B_OK) { 163 bigtime_t now = system_time(); 164 fKernel = double(info.kernel_time - fThreadInfo.kernel_time) / double(now - fLastTime); 165 fUser = double(info.user_time - fThreadInfo.user_time) / double(now - fLastTime); 166 if (info.priority == B_IDLE_PRIORITY) { 167 fUser += fKernel; 168 fKernel = 0; 169 } 170 fThreadInfo.user_time = info.user_time; 171 fThreadInfo.kernel_time = info.kernel_time; 172 fLastTime = now; 173 if (IsSelected ()) { 174 PriorityMenu* popup = (PriorityMenu*)Submenu(); 175 if (popup && info.priority != fThreadInfo.priority) 176 popup->Update (info.priority); 177 } 178 fThreadInfo.priority = info.priority; 179 } else 180 fKernel = -1; 181 } 182