text: //****************************************************************************************
  //
  //	File:		Prefs.cpp
  //
  //	Written by:	Daniel Switkin
  //
  //	Copyright 1999, Be Incorporated
  //
  //****************************************************************************************
  
  #include "Prefs.h"
  #include "Common.h"
  #include "PulseApp.h"
  #include <FindDirectory.h>
  #include <Path.h>
  #include <interface/Screen.h>
  #include <kernel/OS.h>
  #include <stdio.h>
  #include <string.h>
  
  Prefs::Prefs() {
  	BPath path;
  	find_directory(B_USER_SETTINGS_DIRECTORY, &path);
  	path.Append("Pulse_settings");
  	file = new BFile(path.Path(), B_READ_WRITE | B_CREATE_FILE);
  	
  	int i = NORMAL_WINDOW_MODE;
  	if (!GetInt("window_mode", &window_mode, &i)) {
  		fatalerror = true;
  		return;
  	}
  	
  	// These three prefs require a connection to the app_server
  	BRect r = GetNormalWindowRect();
  	if (!GetRect("normal_window_rect", &normal_window_rect, &r)) {
  		fatalerror = true;
  		return;
  	}
  	
  	r = GetMiniWindowRect();
  	if (!GetRect("mini_window_rect", &mini_window_rect, &r)) {
  		fatalerror = true;
  		return;
  	}
  	
  	r.Set(100, 100, 415, 329);
  	if (!GetRect("prefs_window_rect", &prefs_window_rect, &r)) {
  		fatalerror = true;
  		return;
  	}
  	
  	i = DEFAULT_NORMAL_BAR_COLOR;
  	if (!GetInt("normal_bar_color", &normal_bar_color, &i)) {
  		fatalerror = true;
  		return;
  	}
  	
  	i = DEFAULT_MINI_ACTIVE_COLOR;
  	if (!GetInt("mini_active_color", &mini_active_color, &i)) {
  		fatalerror = true;
  		return;
  	}
  	
  	i = DEFAULT_MINI_IDLE_COLOR;
  	if (!GetInt("mini_idle_color", &mini_idle_color, &i)) {
  		fatalerror = true;
  		return;
  	}
  	
  	i = DEFAULT_MINI_FRAME_COLOR;
  	if (!GetInt("mini_frame_color", &mini_frame_color, &i)) {
  		fatalerror = true;
  		return;
  	}
  	
  	i = DEFAULT_DESKBAR_ACTIVE_COLOR;
  	if (!GetInt("deskbar_active_color", &deskbar_active_color, &i)) {
  		fatalerror = true;
  		return;
  	}
  	
  	i = DEFAULT_DESKBAR_IDLE_COLOR;
  	if (!GetInt("deskbar_idle_color", &deskbar_idle_color, &i)) {
  		fatalerror = true;
  		return;
  	}
  	
  	i = DEFAULT_DESKBAR_FRAME_COLOR;
  	if (!GetInt("deskbar_frame_color", &deskbar_frame_color, &i)) {
  		fatalerror = true;
  		return;
  	}
  	
  	bool b = DEFAULT_NORMAL_FADE_COLORS;
  	if (!GetBool("normal_fade_colors", &normal_fade_colors, &b)) {
  		fatalerror = true;
  		return;
  	}
  	
  	// Use the default size unless it would prevent having at least
  	// a one pixel wide display per CPU... this will only happen with > quad
  	i = DEFAULT_DESKBAR_ICON_WIDTH;
  	if (i < GetMinimumViewWidth()) i = GetMinimumViewWidth();
  	if (!GetInt("deskbar_icon_width", &deskbar_icon_width, &i)) {
  		fatalerror = true;
  		return;
  	}
  }
  
  BRect Prefs::GetNormalWindowRect() {
  	system_info sys_info;
  	get_system_info(&sys_info);
  	
  	float height = PROGRESS_MTOP + PROGRESS_MBOTTOM + sys_info.cpu_count * ITEM_OFFSET;
  	if (PULSEVIEW_MIN_HEIGHT > height) {
  		height = PULSEVIEW_MIN_HEIGHT;
  	}
  	
  	// Dock the window in the lower right hand corner just like the original
  	BRect r(0, 0, PULSEVIEW_WIDTH, height);
  	BRect screen_rect = BScreen(B_MAIN_SCREEN_ID).Frame();
  	r.OffsetTo(screen_rect.right - r.Width() - 5, screen_rect.bottom - r.Height() - 5);
  	return r;
  }
  
  BRect Prefs::GetMiniWindowRect() {
  	// Lower right hand corner by default
  	BRect screen_rect = BScreen(B_MAIN_SCREEN_ID).Frame();
  	screen_rect.left = screen_rect.right - 30;
  	screen_rect.top = screen_rect.bottom - 150;
  	screen_rect.OffsetBy(-5, -5);
  	return screen_rect;
  }
  
  bool Prefs::GetInt(char *name, int *value, int *defaultvalue) {
  	status_t err = file->ReadAttr(name, B_INT32_TYPE, 0, value, 4);
  	if (err == B_ENTRY_NOT_FOUND) {
  		*value = *defaultvalue;
  		if (file->WriteAttr(name, B_INT32_TYPE, 0, defaultvalue, 4) < 0) {
  			printf("WriteAttr on %s died\n", name);
  			fatalerror = true;
  			return false;
  		}
  	} else if  (err < 0) {
  		printf("Unknown error reading %s:\n%s\n", name, strerror(err));
  		fatalerror = true;
  		return false;
  	}
  	return true;
  }
  
  bool Prefs::GetBool(char *name, bool *value, bool *defaultvalue) {
  	status_t err = file->ReadAttr(name, B_BOOL_TYPE, 0, value, 1);
  	if (err == B_ENTRY_NOT_FOUND) {
  		*value = *defaultvalue;
  		if (file->WriteAttr(name, B_BOOL_TYPE, 0, defaultvalue, 1) < 0) {
  			printf("WriteAttr on %s died\n", name);
  			fatalerror = true;
  			return false;
  		}
  	} else if (err < 0) {
  		printf("Unknown error reading %s:\n%s\n", name, strerror(err));
  		fatalerror = true;
  		return false;
  	}
  	return true;
  }
  
  bool Prefs::GetRect(char *name, BRect *value, BRect *defaultvalue) {
  	status_t err = file->ReadAttr(name, B_RECT_TYPE, 0, value, sizeof(BRect));
  	if (err == B_ENTRY_NOT_FOUND) {
  		*value = *defaultvalue;
  		if (file->WriteAttr(name, B_RECT_TYPE, 0, defaultvalue, sizeof(BRect)) < 0) {
  			printf("WriteAttr on %s died\n", name);
  			fatalerror = true;
  			return false;
  		}
  	} else if (err < 0) {
  		printf("Unknown error reading %s:\n%s\n", name, strerror(err));
  		fatalerror = true;
  		return false;
  	}
  	return true;
  }
  
  bool Prefs::PutInt(char *name, int *value){
  	status_t err = file->WriteAttr(name, B_INT32_TYPE, 0, value, 4);
  	if (err < 0) {
  		printf("Unknown error writing %s:\n%s\n", name, strerror(err));
  		fatalerror = true;
  		return false;
  	}
  	return true;
  }
  
  bool Prefs::PutBool(char *name, bool *value) {
  	status_t err = file->WriteAttr(name, B_BOOL_TYPE, 0, value, 1);
  	if (err < 0) {
  		printf("Unknown error writing %s:\n%s\n", name, strerror(err));
  		fatalerror = true;
  		return false;
  	}
  	return true;
  }
  
  bool Prefs::PutRect(char *name, BRect *value) {
  	status_t err = file->WriteAttr(name, B_RECT_TYPE, 0, value, sizeof(BRect));
  	if (err < 0) {
  		printf("Unknown error writing %s:\n%s\n", name, strerror(err));
  		fatalerror = true;
  		return false;
  	}
  	return true;
  }
  
  bool Prefs::Save() {
  	if (!PutInt("window_mode", &window_mode)) return false;
  	if (!PutRect("normal_window_rect", &normal_window_rect)) return false;
  	if (!PutRect("mini_window_rect", &mini_window_rect)) return false;
  	if (!PutRect("prefs_window_rect", &prefs_window_rect)) return false;
  	if (!PutInt("normal_bar_color", &normal_bar_color)) return false;
  	if (!PutInt("mini_active_color", &mini_active_color)) return false;
  	if (!PutInt("mini_idle_color", &mini_idle_color)) return false;
  	if (!PutInt("mini_frame_color", &mini_frame_color)) return false;
  	if (!PutInt("deskbar_active_color", &deskbar_active_color)) return false;
  	if (!PutInt("deskbar_idle_color", &deskbar_idle_color)) return false;
  	if (!PutInt("deskbar_frame_color", &deskbar_frame_color)) return false;
  	if (!PutBool("normal_fade_colors", &normal_fade_colors)) return false;
  	if (!PutInt("deskbar_icon_width", &deskbar_icon_width)) return false;
  	return true;
  }
  
  Prefs::~Prefs() {
  	delete file;
  }