1 /* 2 * Copyright 2000, Georges-Edouard Berenger. All rights reserved. 3 * Distributed under the terms of the MIT License. 4 */ 5 6 #include "ThreadBarMenuItem.h" 7 8 #include "Colors.h" 9 #include "PriorityMenu.h" 10 #include "ProcessController.h" 11 #include "Utilities.h" 12 13 #include <stdio.h> 14 15 16 ThreadBarMenuItem::ThreadBarMenuItem(const char* title, thread_id thread, 17 BMenu *menu, BMessage* msg) 18 : BMenuItem(menu, msg), fThreadID(thread) 19 { 20 SetLabel(title); 21 get_thread_info(fThreadID, &fThreadInfo); 22 fLastTime = system_time(); 23 fKernel = -1; 24 fGrenze1 = -1; 25 fGrenze2 = -1; 26 } 27 28 29 void 30 ThreadBarMenuItem::DrawContent() 31 { 32 if (fKernel < 0) 33 BarUpdate(); 34 DrawBar(true); 35 Menu()->MovePenTo(ContentLocation()); 36 BMenuItem::DrawContent(); 37 } 38 39 40 void 41 ThreadBarMenuItem::DrawBar(bool force) 42 { 43 bool selected = IsSelected(); 44 BRect frame = Frame(); 45 BMenu* menu = Menu(); 46 rgb_color highColor = menu->HighColor(); 47 48 BFont font; 49 menu->GetFont(&font); 50 frame = bar_rect(frame, &font); 51 52 if (fKernel < 0) 53 return; 54 55 if (fGrenze1 < 0) 56 force = true; 57 58 if (force) { 59 if (selected) 60 menu->SetHighColor(gFrameColorSelected); 61 else 62 menu->SetHighColor(gFrameColor); 63 menu->StrokeRect(frame); 64 } 65 66 frame.InsetBy(1, 1); 67 BRect r = frame; 68 float grenze1 = frame.left + (frame.right - frame.left) * fKernel; 69 float grenze2 = frame.left + (frame.right - frame.left) * (fKernel + fUser); 70 if (grenze1 > frame.right) 71 grenze1 = frame.right; 72 if (grenze2 > frame.right) 73 grenze2 = frame.right; 74 r.right = grenze1; 75 76 if (!force) 77 r.left = fGrenze1; 78 79 if (r.left < r.right) { 80 if (selected) 81 menu->SetHighColor(gKernelColorSelected); 82 else 83 menu->SetHighColor(gKernelColor); 84 menu->FillRect(r); 85 } 86 87 r.left = grenze1; 88 r.right = grenze2; 89 if (!force) { 90 if (fGrenze2 > r.left && r.left >= fGrenze1) 91 r.left = fGrenze2; 92 if (fGrenze1 < r.right && r.right <= fGrenze2) 93 r.right = fGrenze1; 94 } 95 if (r.left < r.right) { 96 thread_info threadInfo; 97 bool idleThread = false; 98 if (get_thread_info(fThreadID, &threadInfo) == B_OK) 99 idleThread = threadInfo.priority == B_IDLE_PRIORITY; 100 101 if (selected) { 102 menu->SetHighColor( 103 idleThread ? gIdleColorSelected : gUserColorSelected); 104 } else 105 menu->SetHighColor(idleThread ? gIdleColor : gUserColor); 106 menu->FillRect(r); 107 } 108 r.left = grenze2; 109 r.right = frame.right; 110 if (!force) 111 r.right = fGrenze2; 112 if (r.left < r.right) { 113 if (selected) 114 menu->SetHighColor(gWhiteSelected); 115 else 116 menu->SetHighColor(kWhite); 117 menu->FillRect(r); 118 } 119 menu->SetHighColor(highColor); 120 fGrenze1 = grenze1; 121 fGrenze2 = grenze2; 122 } 123 124 125 void 126 ThreadBarMenuItem::GetContentSize(float* width, float* height) 127 { 128 BMenuItem::GetContentSize(width, height); 129 *width += 10 + kBarWidth; 130 } 131 132 133 void 134 ThreadBarMenuItem::Highlight(bool on) 135 { 136 if (on) { 137 PriorityMenu* popup = (PriorityMenu*)Submenu(); 138 if (popup) 139 popup->Update(fThreadInfo.priority); 140 } 141 BMenuItem::Highlight(on); 142 } 143 144 145 void 146 ThreadBarMenuItem::BarUpdate() 147 { 148 thread_info info; 149 if (get_thread_info(fThreadID, &info) == B_OK) { 150 bigtime_t now = system_time(); 151 fKernel = double(info.kernel_time - fThreadInfo.kernel_time) / double(now - fLastTime); 152 fUser = double(info.user_time - fThreadInfo.user_time) / double(now - fLastTime); 153 if (info.priority == B_IDLE_PRIORITY) { 154 fUser += fKernel; 155 fKernel = 0; 156 } 157 fThreadInfo.user_time = info.user_time; 158 fThreadInfo.kernel_time = info.kernel_time; 159 fLastTime = now; 160 if (IsSelected ()) { 161 PriorityMenu* popup = (PriorityMenu*)Submenu(); 162 if (popup && info.priority != fThreadInfo.priority) 163 popup->Update (info.priority); 164 } 165 fThreadInfo.priority = info.priority; 166 } else 167 fKernel = -1; 168 } 169