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285c5708a2
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@1220 a95241bf-73f2-0310-859d-f6bbb57e9c96
127 lines
3.6 KiB
C++
127 lines
3.6 KiB
C++
//****************************************************************************************
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//
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// File: PulseView.cpp
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//
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// Written by: David Ramsey and Daniel Switkin
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//
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// Copyright 1999, Be Incorporated
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//
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//****************************************************************************************
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#include "PulseView.h"
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#include "Common.h"
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#include "PulseApp.h"
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#include <interface/Alert.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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PulseView::PulseView(BRect rect, const char *name) :
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BView(rect, name, B_FOLLOW_ALL_SIDES, B_WILL_DRAW | B_PULSE_NEEDED | B_FRAME_EVENTS) {
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popupmenu = NULL;
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cpu_menu_items = NULL;
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// Don't init the menus for the DeskbarPulseView, because this instance
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// will only be used to archive the replicant
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if (strcmp(name, "DeskbarPulseView") != 0) {
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Init();
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}
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}
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// This version will be used by the instantiated replicant
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PulseView::PulseView(BMessage *message) : BView(message) {
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SetResizingMode(B_FOLLOW_ALL_SIDES);
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SetFlags(B_WILL_DRAW | B_PULSE_NEEDED);
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popupmenu = NULL;
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cpu_menu_items = NULL;
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Init();
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}
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void PulseView::Init() {
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popupmenu = new BPopUpMenu("PopUpMenu", false, false, B_ITEMS_IN_COLUMN);
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popupmenu->SetFont(be_plain_font);
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mode1 = new BMenuItem("", NULL, 0, 0);
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mode2 = new BMenuItem("", NULL, 0, 0);
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preferences = new BMenuItem("Preferences...", new BMessage(PV_PREFERENCES), 0, 0);
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about = new BMenuItem("About...", new BMessage(PV_ABOUT), 0, 0);
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popupmenu->AddItem(mode1);
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popupmenu->AddItem(mode2);
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popupmenu->AddSeparatorItem();
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system_info sys_info;
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get_system_info(&sys_info);
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// Only add menu items to control CPUs on an SMP machine
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if (sys_info.cpu_count >= 2) {
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cpu_menu_items = new BMenuItem *[sys_info.cpu_count];
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char temp[20];
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for (int x = 0; x < sys_info.cpu_count; x++) {
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sprintf(temp, "CPU %d", x + 1);
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BMessage *message = new BMessage(PV_CPU_MENU_ITEM);
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message->AddInt32("which", x);
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cpu_menu_items[x] = new BMenuItem(temp, message, 0, 0);
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popupmenu->AddItem(cpu_menu_items[x]);
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}
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popupmenu->AddSeparatorItem();
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}
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popupmenu->AddItem(preferences);
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popupmenu->AddItem(about);
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}
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void PulseView::MouseDown(BPoint point) {
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BPoint cursor;
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uint32 buttons;
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MakeFocus(true);
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GetMouse(&cursor, &buttons, true);
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if (buttons & B_SECONDARY_MOUSE_BUTTON) {
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ConvertToScreen(&point);
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// Use the asynchronous version so we don't interfere with
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// the window responding to Pulse() events
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popupmenu->Go(point, true, false, true);
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}
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}
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void PulseView::Update() {
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system_info sys_info;
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get_system_info(&sys_info);
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bigtime_t now = system_time();
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// Calculate work done since last call to Update() for each CPU
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for (int x = 0; x < sys_info.cpu_count; x++) {
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double cpu_time = (double)(sys_info.cpu_infos[x].active_time - prev_active[x]) / (now - prev_time);
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prev_active[x] = sys_info.cpu_infos[x].active_time;
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if (cpu_time < 0) cpu_time = 0;
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if (cpu_time > 1) cpu_time = 1;
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cpu_times[x] = cpu_time;
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if (sys_info.cpu_count >= 2) {
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if (!_kget_cpu_state_(x) && cpu_menu_items[x]->IsMarked())
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cpu_menu_items[x]->SetMarked(false);
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if (_kget_cpu_state_(x) && !cpu_menu_items[x]->IsMarked())
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cpu_menu_items[x]->SetMarked(true);
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}
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}
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prev_time = now;
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}
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void PulseView::ChangeCPUState(BMessage *message) {
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int which = message->FindInt32("which");
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if (!LastEnabledCPU(which)) {
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_kset_cpu_state_(which, (int)!cpu_menu_items[which]->IsMarked());
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} else {
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BAlert *alert = new BAlert(NULL, "You can't disable the last active CPU.", "OK");
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alert->Go(NULL);
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}
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}
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PulseView::~PulseView() {
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if (popupmenu != NULL) delete popupmenu;
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if (cpu_menu_items != NULL) delete cpu_menu_items;
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}
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