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 #include "Utilities.h" 26 27 #include <stdio.h> 28 29 30 ThreadBarMenuItem::ThreadBarMenuItem(const char* title, thread_id thread, 31 BMenu *menu, BMessage* msg) 32 : BMenuItem(menu, msg), fThreadID(thread) 33 { 34 SetLabel(title); 35 get_thread_info(fThreadID, &fThreadInfo); 36 fLastTime = system_time(); 37 fKernel = -1; 38 fGrenze1 = -1; 39 fGrenze2 = -1; 40 } 41 42 43 void 44 ThreadBarMenuItem::DrawContent() 45 { 46 if (fKernel < 0) 47 BarUpdate(); 48 DrawBar(true); 49 Menu()->MovePenTo(ContentLocation()); 50 BMenuItem::DrawContent(); 51 } 52 53 54 void 55 ThreadBarMenuItem::DrawBar(bool force) 56 { 57 bool selected = IsSelected(); 58 BRect frame = Frame(); 59 BMenu* menu = Menu(); 60 rgb_color highColor = menu->HighColor(); 61 62 BFont font; 63 menu->GetFont(&font); 64 frame = bar_rect(frame, &font); 65 66 if (fKernel < 0) 67 return; 68 69 if (fGrenze1 < 0) 70 force = true; 71 72 if (force) { 73 if (selected) 74 menu->SetHighColor(gFrameColorSelected); 75 else 76 menu->SetHighColor(gFrameColor); 77 menu->StrokeRect(frame); 78 } 79 80 frame.InsetBy(1, 1); 81 BRect r = frame; 82 float grenze1 = frame.left + (frame.right - frame.left) * fKernel; 83 float grenze2 = frame.left + (frame.right - frame.left) * (fKernel + fUser); 84 if (grenze1 > frame.right) 85 grenze1 = frame.right; 86 if (grenze2 > frame.right) 87 grenze2 = frame.right; 88 r.right = grenze1; 89 90 if (!force) 91 r.left = fGrenze1; 92 93 if (r.left < r.right) { 94 if (selected) 95 menu->SetHighColor(gKernelColorSelected); 96 else 97 menu->SetHighColor(gKernelColor); 98 menu->FillRect(r); 99 } 100 101 r.left = grenze1; 102 r.right = grenze2; 103 if (!force) { 104 if (fGrenze2 > r.left && r.left >= fGrenze1) 105 r.left = fGrenze2; 106 if (fGrenze1 < r.right && r.right <= fGrenze2) 107 r.right = fGrenze1; 108 } 109 if (r.left < r.right) { 110 thread_info threadInfo; 111 bool idleThread = false; 112 if (get_thread_info(fThreadID, &threadInfo) == B_OK) 113 idleThread = threadInfo.priority == B_IDLE_PRIORITY; 114 115 if (selected) { 116 menu->SetHighColor( 117 idleThread ? gIdleColorSelected : gUserColorSelected); 118 } else 119 menu->SetHighColor(idleThread ? gIdleColor : gUserColor); 120 menu->FillRect(r); 121 } 122 r.left = grenze2; 123 r.right = frame.right; 124 if (!force) 125 r.right = fGrenze2; 126 if (r.left < r.right) { 127 if (selected) 128 menu->SetHighColor(gWhiteSelected); 129 else 130 menu->SetHighColor(kWhite); 131 menu->FillRect(r); 132 } 133 menu->SetHighColor(highColor); 134 fGrenze1 = grenze1; 135 fGrenze2 = grenze2; 136 } 137 138 139 void 140 ThreadBarMenuItem::GetContentSize(float* width, float* height) 141 { 142 BMenuItem::GetContentSize(width, height); 143 *width += 10 + kBarWidth; 144 } 145 146 147 void 148 ThreadBarMenuItem::Highlight(bool on) 149 { 150 if (on) { 151 PriorityMenu* popup = (PriorityMenu*)Submenu(); 152 if (popup) 153 popup->Update(fThreadInfo.priority); 154 } 155 BMenuItem::Highlight(on); 156 } 157 158 159 void 160 ThreadBarMenuItem::BarUpdate() 161 { 162 thread_info info; 163 if (get_thread_info(fThreadID, &info) == B_OK) { 164 bigtime_t now = system_time(); 165 fKernel = double(info.kernel_time - fThreadInfo.kernel_time) / double(now - fLastTime); 166 fUser = double(info.user_time - fThreadInfo.user_time) / double(now - fLastTime); 167 if (info.priority == B_IDLE_PRIORITY) { 168 fUser += fKernel; 169 fKernel = 0; 170 } 171 fThreadInfo.user_time = info.user_time; 172 fThreadInfo.kernel_time = info.kernel_time; 173 fLastTime = now; 174 if (IsSelected ()) { 175 PriorityMenu* popup = (PriorityMenu*)Submenu(); 176 if (popup && info.priority != fThreadInfo.priority) 177 popup->Update (info.priority); 178 } 179 fThreadInfo.priority = info.priority; 180 } else 181 fKernel = -1; 182 } 183